ILLUSTRATIONS. XXXIX 



Page. 



PIG. 370. Arcturus baffini var. tuberosus. Maxilliped 341 



371. Pleuroprion murdochi ( After Benedict) 343 



372. Pleuroprion murdochi. Maxilliped 343 



373. Pleuroprion intermedium 345 



374. Mesidotea entomon (AfterGerstaecker). a, Dorsal view. ^Mandi- 

 ble, c, Mandible, d, Ventral view, e, Labium. /, Maxillipeds. 

 g, Half of two thoracic segments about the middle, with one leg. 

 h, Abdomen (ventral side). /, Cross section of a thoracic seg- 

 ment about the middle, j, Second maxilla, k, First maxilla. I, 



Second antenna, m, First antenna 349 



375. Mesidotea entomon (After Miers). a, Head with both antennae. 



b, Opercular valve ( inner side ) 350 



376. Mesidotea entomon. Maxilliped 350 



377. Mesidotea sabini (After Miers). a, Opercular valve (inner side). 



b, Head with both pairs of antennae 351 



378. Mesidotea sabini. Maxilliped 351 



379. Mesidotea sabini (After Kr0yer). Showing detailed parts 352 



380. Chiridotea ca?ca ( After Harger) 353 



381 .Chiridotea caeca. Maxilliped .- , 353 



382. Chiridotea tuftsii ( After Harger) .' 355 



383. Chiridotea tuftsii. Maxilliped 355 



384. Idothea gracillima 357 



385. Idothea gracillima. Abdomen, showing variations in form 357 



386. Idothea urotoma. Abdomen 358 



387. Idothea fewkesi 359 



388. Idothea fewkesi. a, Maxilliped. b, First antenna 360 



389. Idothea rectilinea 361 



390. Idothea rectilinea. a, Maxilliped. b, First antenna 361 



391. Idothea rectilinea. Abdomen 361 



392. Idothea metallica (After Harger) 362 



393. Idothea metallica. a, Maxilliped. b, First antenna 363 



394. Idothea baltica (After Harger) 364 



395. Idothea baltica. a, Maxilliped. b, First antenna 365 



396. Idothea ochotensis '. 366 



397. Idothea ochotensis. a, Maxilliped. b, First antenna 366 



398. Idothea phosphorea (After Harger) 367 



399. Idothea phosphorea. a, Maxilliped. b, First antenna. 368 



400. Pentidotea resecata (After Stimpson) 369 



401. Pentidotea resecata. a, Maxilliped. b, First antenna 370 



402. Pentidotea wosnesenskii. Male 371 



403. Pentidotea wosnesenskii. Female 371 



404. Pentidotea wosnesenskii. o, Maxilliped. b, First antenna 371 



405. Pentidotea whitei 374 



406. Pentidotea whitei. a, Maxilliped. b, First antenna 374 



407. Pentidotea stenops (After Benedict) 375 



408. Pentidotea stenops. a, Maxilliped. b, First antenna 375 



409. a, Head of Synidotea ritteri. b, Head of Synidotea consolidate . . . 377 



410. Synidotea ritteri 377 



411. a, Abdomen of Synidotea ritteri. b, Abdomen of Synidotea con- 



solidata 378 



412. Synidotea pallida (After Benedict) 379 



413. Synidotea pallida. Maxilliped 379 



414. Synidotea erosa (After Benedict) 380 



