LIST OF ILLUSTRATIONS. 



TEXT FIGURES. 



Anterior portion of cranium of Trigonias osborni 221 



Syni]>hy8iy of jaw of Trigonias osborni 222 



Pagurus beDiJiardus -153 



Paguriifi <tcadianus 455 



Pagurus alaskeyisi,? 457 



Pagurus aleuticus 461 



Pagurus ochotensis 464 



Pagurus patagonierms 465 



Toxabramis argentifer, new species 484 



CuUicida emmelas, new species 485 



Pseudogobio drakei, new species 486 



Leuciscus sciistius, new species 487 



Parapekcus machierius, new species 488 



Culter tlenlsinensis, new species 489 



Salanx hyalocranius, new species 491 



Head of Calathura crenulata 509 



Calatliura crenulata 510 



Abdomen of Calathura crenulata 510 



First Cjuatliopod Calathura crenidata 510 



Abdomen of Cirolana virginiana 512 



Abdomen and last two thoracic segments of Cirolana obtruncata 514 



Cirolana albida 515 



Terminal abdominal segment of Eurgdice convexa 516 



Head and first thoracic segment of Corallana sexticornis 518 



^Egathoa linguifrons 526 



^Egutltoa medialis 527 



Head of Meinertia transversa; abdomen of Meinertia transversa 529 



Cassidina lunifrons 533 



Abdomen of Sphscrorna yucutanum 534 



Abdomen of Dynamene angulata 535 



Head of Cilicxa carinata; lateral view of Cilicsea carinata 535 



Abdomen of Cilicsea carinata 536 



Abdomen of Cilicsea linguicauda 537 



Erichsonella Jloridana 543 



Cleantis planicauda 544 



Edotea acuta 544 



Arcturv^ caribbseus 547 



Arcturus floridanux 548 



Asellus attenuatus 552 



Maxilliped of Asellus attenuatus (a); mandible of Asellus attenuatus {b); leg of 

 the first pair 553 



XI 



