ILLUSTRATIONS. XXXVII 



Page. 

 Fig. 298. — Sphseroina (k'j^tructor. (', Maxilliped. /*, iSlaiulible [palp omitted) . 



c, First maxilla, d, Secozid maxilla 284 



299. — Sphajroma i)eutodon. Maxilliped 286 



300. — Sphajroma pentodon. Abdomen 287 



301. — ExosphaToma amplicauda ( After Stimpson ) 289 



302. — Kxospha'roina amplicauda. a, b, MaudihleH. c, Maxilliped. '/, 



Frontal lamina and clypeus 289 



303. — Exospha-roma rhomburum. Abdomen 290 



304. — Exospha^roma rhond>ui'um. Maxilliped 290 



305. — Exospharoma yucatanum. Abdomen 291 



306. — Exospharonia yucatanum. a, Maxilliped. h, Frontal lamina and 



clypeuH. { l)iag;rannnatic) 291 



307. — Exosjjhu'roma faxoni 292 



308. — Exosi)hieroma faxoni. «, Maxilliped. f>, Frontal lamina, c, Sec- 

 ond maxilla 292 



309. — Exosplueroma octoncum. ]\Iaxillipe<l 293 



310. — Exosplueroma octoncum. Abdomen 293 



311. — Exospha'ronui thermopliilum 294 



312. — Exospharoma thermopliilum. Ma.xilliped 294 



313. — Exospharoma dugesi (After DoUfus). <i, Head and first thoracic 



segment, b, Abdomen and uropoda 295 



314. — Exospharoma dugesi. a, Mandible, b, Frontal lamina and cly- 



peus. <; Maxilliped 295 



315. — Exospharoma oregonensis (After Dana), a, Second antenna, b, 



General figure, c, Abdomen (underside) 297 



316. — Exospha-roma oregonensis. a, Maxilliped. b, Man(lil)le, palp 

 ri'moved. r, Mandible with palp, d, Frontal lamina and cly- 



peus , 297 



317. — Exospharoma crenulatum 298 



318. — Exospharoma crenulatum. Maxilliped 298 



319. — Dynamene perforata. Last two thoracic segments and alxlomen. .. 300 

 320. — Dynamene perforata (After Moore). <i, First antenna, b, Second 

 antenna, c, INIale. d, Tip of maxilla, c, Mandible. ./'. Maxilli- 

 peds. (J, Fourth leg. //, First leg. (, Seventh leg. ./', Part of 



terminal segment of abdomen with uropod 300 



321. — Dynamene glabra. Abdomen and last two thoracic segments 301 



322. — Dynamene glabra. Second pleopod of male 301 



323. — Dynamene angulata. Maxilliped 302 



324. — Dynamene angulata. Abdomen 302 



325. — Dynamene moorei (After Moore) 303 



326. — Dynamene moorei. Second pleoiKxl of male 303 



327. — Dyname-ne dilatata. a, Head and first thoracic segment, b, Dor- 

 sal view 304 



328. — Dynamene benedicti. Second pleopod of male (inner l)ranch) 305 



329. — Dynamene benedicti. Last thoracic segment and abdomen 305 



330. — Paradynamene benjamensis. Abdomen and last thoracic segment 



of male 306 



331. — Paradynamene benjamensis. a, First antenna, b, r, Mandibles. 



d, First maxilla, e, Maxilliped 306 



332. — Parailynamene benjamensis. Female (dorsal view ) 307 



333. — Paradynamene benjamensis. a, First pleojiod of male, b, Second 



pleopod of male 307 



334. — Cilicaa linguicauda. Abdomen 309 



335. — Cilicaa granulosa. Last thoracic segment and al)domen . - - 310 



