Plate 41.
Fig. 415. Rhadinorhynchus horridum Lühe, 1912; entire worm.
Fig. 416. Idem; anterior extremity.
Fig. 417. Rhadinorhynchus pristis (Rud., 1802); male. After Meyer, 1932.
Fig. 418. Idem; female. After Meyer, 1932.
Fig. 419. Idem; anterior extremity. After Johnston and Edmonds, 1947.
Fig. 420. Idem; egg. After Meyer, 1932.
Fig. 421. Idem; proboscis. Ibid.
Fig. 422. Idem; anterior part of trunk. Ibid.
Fig. 423. Rhadinorhynchus selkirki Van Cleave, 1921; entire worm.
Plate 42.
Fig. 424. Rhadinorhynchus indicum Tripathi, 1959; male.
Fig. 425. Idem; two proboscis hooks and trunk spine.
Fig. 426. Gorgorhynchus clavatum Van Cleave, 1940; in copula.
Fig. 427. Gorgorhynchus gibberum Chandler, 1934; anterior extremity.
Fig. 428. Idem; male.
Fig. 429. Idem; proboscis hooks (a, b, c) and trunk spine (d).
Fig. 430. Mehrarhynchus prashadi Datta, 1940; female terminalia.
Fig. 431. Idem; posterior extremity of male.
Fig. 432. Idem; anterior extremity of male.
Plate 43.
Fig. 433. Mehrarhynchus secundum Tripathi, 1959; male.
Fig. 434. Idem; proboscis hook.
Fig. 435. Idem; proboscis.
Fig. 436. Idem; posterior extremity of female.
Fig. 437. Nipporhynchus ornatunz Van Cleave, 1918; proboscis hooks.
Fig. 438. Nipporhynchus trachuri (Harada, 1935); male.
Fig. 439. Idem; egg.
Fig. 440. Raorhynchus Polynemi Tripathi, 1959; proboscis.
Fig. 441. Idem; male.
Fig. 442. Idem; posterior extremity of female.
Plate 44.
Fig. 443. Paragorgorhynchus albertianum Golvan, 1957; female.
Fig. 444. Idem; male.
Fig. 445. Idem; anterior extremitv.
Fig. 446. Idem; proboscis hooks.
Fig. 447. Idem; posterior extremity of female.
Fig. 448. Tegorhynchus Pectinarium Van Cleave, 1940; anterior extremity.
Fig. 449. Idem; hooks on basal portion of proboscis.
Fig. 450. Tegorhynchus breve Van Cleave, 1920; trunk spines.
Fig. 451. Idem; ventral proboscis hooks.
Fig. 452. Idem; hooks on middle dorsal portion of proboscis.
Fig. 453. Idem; posterior end of trunk.
Plate 45.
Fig. 454. Polyacanthorhynchus rhopalorhynchus (Dies., 1851); anterior extremity. After Machado Filho, 1947.
Fig. 455. Idem; male. Ibid.
Fig. 456. Idem; male terminalia showing 8 cement glands. Ibid.
Fig. 457. Polyacanthorhynchus macrorhynchus (Dies., 1856); anterior extremity. After Machado Filho, 1947.
Fig. 458. Idem; egg.
Fig. 459. Idem; posterior extremity of female. After Machado Filho, 1947.
Fig. 460. Telosentis tenuicornis (Linton, 1891); anterior extremity. After Van Cleave, 1918.
Fig. 461. Idem; anterior part of proboscis.
Fig. 462. Telosentis exiguus (v. Linstow, 1901); proboscis. After Meyer, 1932.
Fig. 463. Idem; trunk spines. Ibid.
Fig. 464. Idem; entire worm. Ibid.
Plate 46.
Fig. 465. Polyacanthorhynchus caballeroi Diaz-Ungria et Rodrigo, 1960; anterior extremity of female.
Fig. 466. Idem; posterior extremity of male.
Fig. 467. Serrasentis chauhani Datta, 1954; anterior extremity.
Fig. 468. Idem; female terminalia.
Fig. 469. Serrasentis longus Tripathi, 1959; male and proboscis hook.
Fig. 470. Telosentis molini Van Cleave, 1923; proboscis hooks.
Fig. 471. Idem; egg.
Fig. 472. Idem; female terminalia.
Fig. 473. Idem; male terminalia.
Plate 47.
Fig. 474. Illiosentis furcatus africanus Golvan, 1956; male.
Fig. 475. Idem; posterior portion of proboscis showing giant hooks.
Fig. 476. Idem; posterior portion of proboscis on the side opposite giant hooks.
Fig. 477. Serrasentis socialis (Leidy, 1851); male. After Van Cleave, 1924.
Fig. 478. Idem; a transverse row of trunk spines. After Van Cleave, 1924.
Fig. 479. Idem; anterior extremity. Ibid.
Fig. 480. Illiosentis furcatus Van Cleave et Lincicome, 1939; posterior extremity of female.
Fig. 481. Idem; male.
Fig. 482. Idem; anterior extremity.
Fig. 483. Idem; posterior extremity of male.
Plate 48.
Fig. 484. Gigantorhynchus ortizi Sarmiento, 1954; anterior extremity.
Fig. 485. Idem; egg.
Fig. 486. Idem; posterior extremity of male.
Fig. 487. Idem; posterior extremity of female.
Fig. 488. Idem; apex of proboscis, end-on view.
Fig. 489. Gigantorhynchus lutzi Machado Filho, 1941; female terminalia.
Fig. 490. Idem; posterior extremity of male.
Fig. 491. Idem; apex of proboscis, end-on view.
Fig. 492. Idem; anterior extremity.
Plate 49.
Fig. 493. Gigantorhynchus echinodiscus (Diesing,1851); male. After Travassos, 1917.
Fig. 494. Idem; proboscis hooks. Ibid.
Fig. 495. Idem; proboscis. Ibid.
Fig. 496. Idem; apex of proboscis, end-on view. Ibid.
Fig. 497. Idem; egg. After Meyer, 1932.
Fig. 498. Empodisma turnixena (Tubangui, 1933); anterior extremity.
Fig. 499. Idem; posterior extremity of female.
Fig. 500. Empodisma numidae (Baer, 1925); anterior extremity.
Fig. 501. Heteracanthorhynchus vancleavei Lundström, 1942; anterior extremity.
Fig. 502. Idem; proboscis hooks.
Fig. 503. Empodisma giganteum (Meyer, 1931); anterior extremity.
Fig. 504. Idem; proboscis hooks.
Fig. 505. Idem; male and female.
Fig. 506. Idem; egg.
Plate 50.
Fig. 507. Mediorhynchus micracanthus (Rud., 1819); female. After Ryjikov and Dizer, 1954, in Petrotschenko, 1958.
Fig. 508. Idem; male. Ibid.
Fig. 509. Idem; egg. Ibid.
Fig. 510. Idem; anterior extremity. Ibid.
Fig. 511. Mediorhynchus armenicum Petrotschenko, 1958; male.
Fig. 512. Idem; anterior proboscis hooks. Ibid.
Fig. 513. Idem; posterior proboscis hooks. Ibid.
Fig. 514. Idem; anterior extremity. Ibid.
Fig. 515. Mediorhynchus orientale Belopolskaja, 1953; proboscis.
Fig. 516. Idem; male.
Fig. 517. Mediorhynchus emberizae (Rud., 1819); male. After Travassos, 1924.
Fig. 518. Idem; egg. Ibid.
Fig. 519. Mediorhynchus lagodekhiense Kuraschvili, 1955; proboscis.