CllUSTACEA. 



PLATE 90. 



Figs. 1, 2, 3, 4, 5, a to g, organs in the order, first antenna, 

 second antenna, mandible, maxilla, maxilliped, legs of two pairs, 

 of 1. Cypris Chilensis; 2. Cytiiere Americana; 3. Cyprjdina; 

 4. Conciicecia; 5. Halocypris inflata. 



Fig. 6. Cypris speciosa, enlarged. — p. 1285. 



Fig. la. Cypris chilensis. side view, enlarged; b, upper view 

 of shell; c, side view of animal, shell removed. — p. 1285. 



Fig. 8 a. Cypris pubescens, side view, enlarged ; b, upper view ; 

 c, anterior antenna; d, posterior antenna; e, leg of first pair. — p. 

 1287. 



Fig. 9 a. Candona ? vitiensis, side view, enlarged ; b, vertical 

 view; c, anterior antenna; d, posterior antenna. — p. 1288. 



Fig. 10. Candona? albida, side view, enlarged. — p. 1289. 



PLATE 9 1. 



Fig. 1 a. Cypridina luteola, enlarged; b, dorsal view, outline; 

 c, animal, removed from the shell (showing, d, eye; e, anterior 

 antenna?; /, posterior, ibid.; g, mandibular feet; h, buccal mass, 

 with its processes; i, maxilla of first pair; I; ibid., of second 

 pair; I, ibid., of third pair; m, ovarian feet; n, caudal extre- 

 mity) ; d, part of eye ; d', one of the lenses ; e, anterior antenna ; 

 /, part of a plume of posterior antennas ; g, part of mandibular 

 foot, with mandibular process at g' ; g", same process, in profile; 

 h, buccal mass and organs, under view (^mandibular feet; i, 

 maxilla of first pair; I; ibid., of second pair; 1, ibid., of third 

 pair; r, t, processes on the anterior and posterior part of the 

 buccal mass; s, fleshy prominence intermediate, (see figure 1 c)) ; 

 i, maxilla of first pair, same with i, in figures 1 c and 1 h; i', 

 same, reversed ; Jc, maxilla of second pair, same as h, in figures 

 1 c and 1 h; 1, maxilla of third pair, same as I, in figures 1 c and 

 1 It; m, extremity of ovarian feet; n, larger of caudal spines.— 

 p. 1291. 



Fig. 2 a, b. Cypridina punctata, enlarged. — p. 1293. 

 Fig. 3 a, b. Cypridina olivacea, enlarged ; a', natural size — p 

 1294. 



Fig. 4 a. Cypridina gibbosa, enlarged; b, anterior antenna; c, 

 posterior antenna; d, mandibular feet; e, abdomen.— p. 1295. 



Fig. 5 a. Cypridina Formosa, enlarged; b, upper view, in out- 

 line; c, lateral view of animal; d, antenna of first pair; e, 

 antenna of second pair; /, mandibular foot; g, ciliated plate' 

 from maxilla of second pair; h, maxilla of third pair.— p. 1296. 



Fig. 6a. Concucecia agilis, under view, enlarged; b, lateral 

 view; c, under view, with opened shell; d, anterior antennae and 

 intermediate spiculum ; e, mandibular feet,— p. 1299. 



Fig. 7 a. Concikecia rostrata, posterior antenna, enlarged • b 

 mandibular feet; c, maxilla of first pair; d, maxilla of second 

 pair; e, leg of first pair ; /, leg of second pair.— p. 1300. 



Jig. 8a. Halocypris inflata, dorsal view, enlarged; b, lateral 

 ibid.; e, under view, valves open (d, inner antenna,, with spicu- 

 um between them; e, antennae of second pair; /, mandibular 

 feet ; g, maxilla, ; k, maxilla, second pair ; i, k, f ee t of two pairs ; 

 ^muscle); d, anterior antenna and spiculum; e, posterior an- 

 tenna^./, mandibular feet; ,, h , maxilla?; i, h legs of two pairs. 



Fig. 9a. Halocypris brevirostris, dorsal view; b, lateral 

 view; c, part of second pair of antenna3.-p. 1303. 



PLATE 9 2. 



Figs. 1 a to k, dissections of Sappiiirina ; 2 b to h, of Argulus ; 



3 a to k, of Caligus; 4 a to /;, of Pandarus ; 5 a to k, of Lepi- 

 dopus; 6 a toi, of Diciielestion ; 7 to Hi, of Lernentoma.— « 

 antenna of first pair; b, ibid., of second pair; c, mandible- d 

 maxilla ; e, maxilliped, or leg homologous with it ; /, g y J t ( l 

 pairs of legs, in succession, or parts homologous. 



PLATE 9 3. 



Caligus americanus, p. 1317.— a, under view of male en- 

 larged; a', male, natural size; a", female, natural size; b, female 

 antenna of second pair; c, female prehensile leg; d, maxilla- e 

 extremity of maxilliped; /,/', part of flexor muscles of posterior 

 part of body (p. 1326) ; g, g>, valves in the circulation (p. 1341) ; h, 

 dorsal view, showing muscles (p. 1325); i, areas in shell, over the 

 eyes; /;, digestive system (p. 1337) ; 1, oesophagus, showing glands 

 of surface ; m, part of intestine ; n, o, glands, near mouth ; p, p 

 1>\ V\ P\ V\ different views of parts of mouth (p. 1320); q, under 

 view of female, showing nervous and genital system ; r, nerves to 

 antenna; 8, nervous ganglion; t, male genital system; u, a', con- 

 dition of front, during moulting; v, flexed muscle of figure u, 

 seen in profile ; w, abdomen of female, with a corneous appendage 

 to vulva, terminating in a bulb (probably torn from male, in 

 coition ?) [In text, p. 1321, 19th line from top, " between p and 

 j»>," should read, between q and q.~\ 



PLATE 9 4. 



Fig. 1 a. Monstrilla viiMDis, animal, enlarged ; 6, profile, 

 showing sucker mouth ; 1 c, mouth prominence, enlarged ; d, 

 abdomen, in profile, with last segment of cephalothorax and 

 natatory feet. — p. 1313. 



Fig. 2 a, b. Argulus pugettensis, enlarged. — p. 1351. 



Fig. 3 a. Caligus Thymni, male, enlarged ; b, posterior an- 

 tenna of female; c, abdomen, ibid.— p. 1353. 



Fig. 4. Caligus productus, enlarged. — p. 1354. 



Fig. 5 a. Caligus gracilis, enlarged ; b, posterior antenna of 

 female; c, maxilla; d, leg of second pair.— p. 1356. 



Fig. 6 a. Lepeopiitheirus Bagri, female, enlarged; b, posterior 

 antennaa of female ; c, maxillae, ibid.; d, first pair of feet, ibid.; 

 e, leg of second pair, ibid.; /, posterior antenna of male; g, leg of 

 second pair, ibid.; h, abdomen, ibid.— p. 1357. 



Fig. 7 a. Calistes trigonis, female, enlarged ; b, posterior 

 antenna, with the exterior spine, V ; c, aculeate part of maxilla, 

 showing its forked character; d, leg of first pair; e, ibid., of 

 second pair. — p. 1359. 



Fig. 8 a, Caligeria Bella, female, enlarged ; b, c, d, e, the pos- 

 terior antenna, maxilla, and first and second feet, in relative 

 position; /, furcula; g, leg of last pair; It, under view of abdomen, 

 showing appendages, sometimes observed attached.— p. 13G0. 



Fig. 9 a. Nogagus validus, enlarged ; b to g, organs, in their 

 relative positions, first and second antenna), mouth, first, second, 

 and third pairs of feet; Jt, third and fourth pairs of natatories.— 

 p. 1363. 



PLATE 95. 



Fig. 1 a. Pandarus concinnus, enlarged ; A, anterior antenna ; 

 c, caudal stylet,— p. 1366. 





