8 



CRUSTACEA. 





Fig. 2. OcrPODA lmvis, larger hand of male, enlarged two dia- 

 meters. — p. 325. 



Fig. 3 a. Ocypoda brevicornis, female, natural size ; b, eye of 

 another specimen. — p. 326. 



Fig. 4 a. 0. brevicornis, car. (?) longicornuta, male, natural 

 size; b, abdomen and sternum; c, larger hand, natural size; d, ex- 

 tremity of leg of third pair; e, outer maxilliped. — p. 327. 



Fig. 5 a. Ocypoda Urvillii ? male, natural size ; b, outer max- 

 illipeds, enlarged three and a half diameters; c, larger hand, en- 

 larged two and a half diameters. — p. 328. 



Fig. G a. Pseudograpsus oregonensis, natural size ; b, hand. — 

 p. 334. 



Fig. 7 a. Pseudograpsus nudus, natural size; b, under view; c, 

 hand, natural size. — p. 335. 



Fig. 8 a, b. Trichopus litteratus, male, natural size ; b, ab- 

 domen and sternum. — p. 336. 



PLATE 21. 



Fig. 1. Grapsus pictus, outer maxilliped. — p. 336. 



Fig. 2. Grapsus strigosus, outer maxillipeds. — p. 338. 



Fig. 3 a. Grapsus planifrons, natural size ; b, male abdomen 

 and sternum; c, outer maxillipeds, natural size; d, hand, ibid. ; 

 e, spine of tarsus. — p. 338. 



Fig. 4 a. Grapsus longitarsis, male, natural size; b, under 

 view, enlarged four diameters ; c, hand, natural size ; d, outline 

 of arm. — p. 339. 



Fig. 5 a. Grapsus lividus, male, natural size ; b, outer maxilli- 

 peds, enlarged two diameters; c, hand, natural size.— p. 340. 



Fig. 6 a. Grapsus crinipes ; 6 a, outer maxillipeds, enlarged two 

 diameters; b, outline of arm, natural size; c, leg of fourth pair, 

 enlarged two diameters; d, hand of female, natural size.— p. 34 L 



Fig. 7. Goxiograpsus cruentatus, male, natural size.— p. 342. 



Fig. 8 a. Goniograpsus simplex, carapax, enlarged two dia- 

 meters; b, leg of fifth pair, enlarged four diameters.— p. 344. 



Fig. 9 a. Goxiograpsus innotatus, male, natural size ; b, outer 

 maxillipeds ; c, hand, natural size.— p. 345. 



PLATE 22. 



Pig. 1 a. Planes cyaneus, natural size; b, under view; c, outer 

 antenna; d, hand, enlarged; e, tarsus of leg of fourth pair- /, 

 male abdomen; g, female abdomen; h, male abdomen of a speci- 

 men from another locality, and possibly of different species ; i, outer 

 maxillipeds of same.— p. 347. 



Fig. 2 a. Hemigrapsus sexdentatus, male, natural size; b, W 

 of second pair, ibid. ; c, leg of fifth pair, Ibid.— p. 348 



Fig. 3c, Hemigrapsus crenulatus, hand, natural size; b, W 

 ^econd pair, ibid. ; c , l eg of fifth pair? ^ . d> ^^ — 



Fig. 4 a. Hemigrapsus crassimanus, male, enlarged two dia- 

 -ters; ^m ? le abdomen and sternum; , outer m^liped,! 

 larged four diameters; d, leg of second pair, enlarged two d 

 meters.— p. 349. . ° a 



Fig. 5 «. Bwuro AmsiS/ hand of ma , 

 leg of second pal,, ibid. ; „, leg of fifth pair, ibid . d _~ "?'* 

 maxilliped, enlaced; e , abdo me „ and L mum „ ££ ^ % 



meters. — p 350 atu lwo aia - 



of front ; d, sternum and abdomen, ibid. ; e, hand, natural size 



p. 352. 



Fig. la. Sesarma angustipes, male, natural size; b, male ab- 

 domen and sternum; c, hand, natural size. — p. 353. 



Fig. 8 a. Sesarma trapezium, male (mutilated), natural size- I 

 hand, enlarged three diameters ; c, leg, enlarged three diameters ; 

 c', same, natural size. — p. 355. 



Fig. 9 a. Sesarma obtusifrons (mutilated), enlarged two dia- 

 meters; b, front view of front; c, outer maxilliped, enlarged- d 

 hand, enlarged. — p. 355. 



Fig. 1 a. Sesarma obesum, male, natural size ; b, male abdomen 

 and sternum, enlarged two diameters; c, hand, natural size.— p. 

 356. 



PLATE 23. 



Fig. 1 a. Sarmatium crassum, male, natural size ; b, under view, 

 enlarged four diameters; c, male abdomen and sternum, enlarged 

 two diameters ; d, hand, enlarged three diameters.— p. 358. 



Fig. 2. Cyclograpsus Audouinii, under view of buccal area, 

 and part of sternum adjoining. — p. 359. 



Fig. 3 a. Cyclograpsus cinereus, male, natural size; b, under 

 view, enlarged four diameters; c, male abdomen, enlarged two 

 diameters; d, hand, ibid.; e, tarsus of leg of fourth pair, enlarged. 

 — p. 361. 



Fig. 4 a. Cyclograpsus granulatus, male, enlarged two dia- 

 meters; b, outer maxillipeds; c, male abdomen, enlarged four 

 diameters; d, hand, ibid.; e, tarsus of leg of fourth pair.— p. 361. 



Fig. 5 a. Ciiasmagxatiius subquadratus, outer maxillipeds, en- 

 larged two diameters; b, hand, natural size ; c, abdomen, natural 

 size. — p. 363. 



Fig. 6 a. Chasmagnatiius granulatus, male, natural size ; b, 

 under view ; c, male abdomen and sternum, natural size ; d, hand, 

 ibid. — p. 364. 



Fig. 7 a. Chasmagnatiius l^evis, male, natural size ; b, male ab- 

 domen and sternum, ibid. ; c, outer maxilliped, enlarged two dia- 

 meters ; d, hand, natural size. — p. 365. 



Fig. 8 a. Helice crassa, enlarged two diameters ; b, outer max- 

 illipeds, enlarged four diameters; c,hand, enlarged two diameters; 

 d, male abdomen, ibid.— p. 367. 



Fig. 9. Plagusia speciosa, carapax, natural size.— p. 369. 



Fig. 10 a. Plagusia glabra, natural size ; b, front view of front; 

 enlarged four and one-half diameters ; c, outer maxillipeds ; d, 

 abdomen and sternum, natural size.— p. 371. 



Fig. 11 a . Acantiiopus abbreviatus, enlarged one and one-half 

 diameters ; b, outer maxilliped, ibid. ; c, male abdomen and ster- 

 num. — p. 373. 



PLATE 2 4. 



Fig. 1. Cardisoma obesum, part of carapax, under side, natural 

 size.— p. 375. 



Fig. 2 a. Cardisoma iiirtipes, male, natural size; b, male abdo- 

 men and sternum, ibid. ; c, base of outer antennae, and the process 

 (p) between it and the orbit ; d, tarsus of leg of fourth pair, en- 

 larged.— p. 376. 



Fig. 3 «. Pinnothera obesa, small male, enlarged three dia- 

 meters; b, c, outlines of different females, natural size; d, under 

 view of front of animal represented in fig. a ; e, outer maxillipeds 

 of animal of fig. b, enlarged; /, same, more enlarged; g, seta of 

 same; h, raa le abdomen; i, hand, enlarged three diameters.— p. 

 380. 



