460 REPORT OF COMMISSIONER' OF FISH AND FISHERIES! 



CymothosB, 377. 



CymothoidsB, 390,300, 303, 371, 382, 430, 431. 



Dactylus, 300. 



Dajus Mysidis, 312, 429, 433. 



Dan.% J. D., on Asellidse, 314. 



Desmarest, A. G., on Idotea tricuspidata, 345. 



Digital process, 300. 



Dolirn, A., on Ancens, 409. 



the incubatory pouch, 301, 303. 

 TanaidfB, 415. 

 Edriophtholma, 297. 



JEdwards, H., on Idotea tricuspidata, 345. 

 Limnoria, 371. 

 Tanais, 416. 

 Epelys, 357, 301, 337. 



montosus, 359, 429, 434. 

 var. hiisutus, 360. 

 trilobus, 358, 429, 434. 

 Epimera, 300. 



abdominal, 392. 

 Erichsonia, 354, 337, 361. 



attenuata, 356, 335, 428, 434. 

 flliformis, 355, 428, 434. 

 Eurycope, 332, 329. 



cornuta, 333. 

 robusta, 332, 429, 433. 

 Elagellum, 298. 

 Eleming, J., on AstacUla, 363. 

 Gadus, 386. 



Gammarus Dulongii, 416. 

 Gegenbanr, C, on Tanaida, 415. 

 Gelasimtis pugUator, 311. 

 Geographical distribution, 428. 

 GnatMa, 410, 297, 302, 357, 431. 

 cerina, 410, 429, 435. 

 temiitoides, 410. 

 Gnathiidre, 408, 300, 301, 303, 431. 

 Gnathium, 410. 

 Gnathopods, 300. 



Goodsir, H. D. S., on Astacilla, 363. 

 Gribble, 375. 

 Gyge, 431. . 



Gyge Hippolytes, 311, 429, 433. 

 Helleria, 305. 

 Henopomus ti-icomis, 322. 

 Hesse, B., on Anceus and Praniza^ 409. 

 Hippoglossus, 382, 386. 

 Hippolyte Fabricii, 311. 

 polaris, 311. 

 pusiola, 311, 313. 

 securifrons, 311, 312. 

 spinus, 311, 312. 

 Huxley, T. H., distinction of cephalic and thoracic 

 Ideotea marina, 344. [segments, 302* 



Idotea, 341, 337, 431. 



acuminata, 344. 



Basteri, 343. 



bicuspida, 352. 



ccBca, 338. 



entomon, 345. 



flliformis, 355. 



irrorata, 343, 342, 348, 429, 430, 433. 



marina, 344. 



marmorata, 352. 



metallica, 349, 350. 



montosa, 359. 



Idotea noduloaas 352. 



pelagica, 343, 345, 346. 

 phosphorea, 347, 342, 346, 429, 438. 

 pulchra, 352. 

 robusta, 349, 342, 429, 433. 

 tricuspidata, 343, 345, 346, 

 tricuspis, 344. 

 tridentata, 344, 345. 

 Tuftsii, 340. 

 variegata, 343. 

 IdoteidsB, 335, 301, 303, 361, 397, 430, 431. 

 Idothea balthica, 344, 346. 

 nodulosa, 351. 

 pelagica, 344. 

 robusta, 349. 

 Hyarachna, 334, 329, 335, 429, 433. 

 Incubatory pouch, 301. 

 Ischium, 300. 

 Isopod, length of, 302. 

 Isopoda, 297. 



aberrantia, 303. 

 Jsera, 314, 301, 313, 430, 431. 



albifrons, 315, 318, 429, 430, 433. 

 Baltica, 315, 318. 

 copiosa, 315. 

 Kroyeri, 315, 318. 

 maculata, 315, 318. 

 marina, 315, 318. 

 nivalis, 315, 318. 

 triloba, 358. 

 Janira, 319, 313, 430, 431. 



alta, 321, 299, 429, 433. 

 laciniata, 324. 

 maculosa, 319, 322. 

 spinosa, 323, 429, 433. 

 Johnston, G., on Astacilla, 362. 

 Kinahan, J. E., on Actcecia, 309. 

 Kroyer, H., on Antlmra carinata, 40L 

 Muuna, 325. 

 Tanais Edwardsii, 422. 

 Labium, 300. 

 Labrum, 300. 



Lamella, external of maxUlipeds, 299. 

 LatreUle, P. A., on Idotea tricuspidata, 34Sk 

 Leachia, 361, 363. 



granulata, 364,366. 

 Leach, "W. E., on Gnathia, 410. 

 Leacia, 361, 363. 

 Legs, 300. 



Leidya distorta, 311. 

 Leidy, J., on Bopyrus species, 312. 

 Cepon distortus, 311. 

 Leptochelia, 420, 301, 414, 415, 43L 

 algicola, 421, 420, 435. 

 cOBca, 427, 429, 435. 

 Edwardsii, 416, 421, 422, 423. 

 fllum, 426, 429, 435. 

 limicola, 424, 429, 435. 

 minuta, 416. 

 rapax, 424, 423, 429, 435. 

 Lcptophrj-xus Mysidis, 312. 

 Ligia, 305, 310, 311, 415. 

 Liiyeborg, "W., on Jsera albi&ons, 318. 

 Limnoria, 373, 313, 371, 419, 430, 43L 



lignoi-nm, 373, 423, 429, 430, 434. 

 terebrans, 373. 



