460 REPORT OF COMMISSIONER OF FISH AND FISHERIES. 



Cymothoae, 377. 



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



Dactylus, 300. 



Dajus Mysidis, 312, 429, 433. 



Dana, J. D., on Asellidse, 314. 



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



Digital process, 300. 



Dohrn, A., on Anceus, 409. 



the incubatory pouch, 301, 303. 

 Tanaidse, 415. 

 Edriophtholma, 297. 



Edwards, H., on Idotea tricnspidata, 345. 

 Limnoria, 371. 

 Tanais, 416. 

 Epelys, 357, 301, 337. 



montosua, 359, 429, 434. 

 var. hirsutus, 360. 

 trilobus, 358, 429, 434. 

 Epimera, 300. 



abdominal, 392. 

 Erichsonia, 354, 337, 361. 



attenuata, 356, 335, 428, 434. 

 filiformis, 355, 428, 434. 

 Eurycope, 332, 329. 



cornuta, 333. 

 robusta, 332, 429, 433. 

 Flagellum, 298. 

 Fleming, J., on Astacilla, 363. 

 Gadus, 386. 



Gammarus Dulongii, 416. 

 Gegenbaur, C., on Tanaida, 415. 

 Gelasimus pugilator, 311. 

 Geographical distribution, 428. 

 Gnathia, 410, 297, 302, 357, 431. 

 cerina, 410, 429, 435. 

 termitoides, 410. 

 GnathiidfB, 408, 300, 301, 303, 431. 

 Gnathium, 410. 

 Gnathopoda, 300. 



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

 Gribble, 375. 

 Gyge, 431. 



Gyge Hippolytes, 311, 429, 433. 

 Helleria, 305. 

 Henopomus tricornis, 322. 

 Hesse, E., on Anceus and Praniza, 409. 

 Hippoglossus, 382, 386. 

 Hippolyte Fabricii, 311. 

 polaris, 311. 

 pusiola, 311, 312. 

 securifi'ons, 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. 



cceca, 338. 



entomon, 345. 



filiformis, 355. 



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



marina, 344. 



marmorata, 352. 



metallica, 349, 350. 



montosa, 359. 



Idotea nodulosa, 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. 



Idoteidae, 335, 301, 303, 361, 397, 430, 43L 

 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. 

 epinosa, 323, 429, 433. 

 Johnston, G., on Astacilla, 362. 

 Ejnahan, J. K., on Actsecia, 309. 

 Kroyer, H., on Antliura carinata, 401. 

 Munna, 325. 

 Tanais Edwardsii, 422. 

 Labium, 300. 

 Labmm, 300. 



Lamella, external of maxillipeds, 299. 

 Latreille, P. A., on Idotea tricuspidata, 345. 

 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 r 414, 415, 43L 

 algicola, 421, 429, 435. 

 coeca, 427, 429, 435. 

 Edwardsii, 416, 421, 422, 423. 

 filum, 426, 429, 435. 

 limicola, 424, 429, 435. 

 minuta, 416. 

 rapaz, 424, 423, 429, 435. 

 Leptophryxns Mysidis, 312. 

 Ligia, 305, 310, 311, 415. 

 LiLjeborg, "VV., on Jaera albifrons, 318. 

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



lignornm, 373, 423, 429, 430, 434. 

 ton-brans, 373. 



