Subfamily Thalamitinae 416 



Portunus (Achelous) stanfordi Rathbun 416 



Portunus (Achelous) angustus Rathbun 419 



Portunus (Achelous) tuberculatus Stimpson .... 421 



Cronius ruber (Lamarck) 422 



Subfamily Podophthalminae 423 



Euphylax dovii Stimpson 423 



Family Atelecyclidae 424 



Kraussia americana Garth 424 



Family Xanthidae 426 



Carpilodes cinctimanus (White) 426 



Platypodia gemmata Rathbun 428 



^Platypodia rotundata (Stimpson) 430 



Actaea dovii Stimpson 431 



Actaea angusta Rathbun 433 



Actaea sulcata Stimpson 434 



Actaea crosslandi (Finnegan) 436 



Glyptoxanthus hancocki Garth 437 



Daira americana Stimpson 438 



Lipaesthesius lecanus Rathbun 441 



Medaeus lobipes Rathbun 442 



Medaeus spinulifer (Rathbun) 443 



Cycloxanthops vittatus (Stimpson) 445 



fLeptodius occidentalis (Stimpson) 446 



Leptodius snodgrassi Rathbun 447 



Leptodius cooksoni Miers ... 448 



Lophoxanthus lamellipcs (Stimpson) 451 



Lophopanopeus maculatus Rathbun 453 



Hexapanopeus cartagoensis Garth 454 



^Eurypanopeus transversus (Stimpson) 455 



Eurytium affine (Streets and Kingsley) 456 



Micropanope xantusii (Stimpson) 457 



Micropanope polita Rathbun 459 



Micropanope fraseri, new species 462 



Tetraxanthus rathbunae Chace 465 



Ectaesthesius bifrons Rathbun . . 466 



Paraxanthias insculptus (Stimpson) 467 



Menippe obtusa Stimpson 470 



Pilumnus xantusii Stimpson 471 



Pilumnus pygmaeus Boone 472 



Acidops fimbriatus Stimpson 474 



Ozius verreauxii Saussure 476 



Ozius perlatus Stimpson ... 477 



Ozius tenuidactylus (Lockington) 479 



fEriphia squamata Stimpson 482 



Eriphia granulosa A. Milne Edwards 483 



Eriphides hispida (Stimpson) 487 



Domecia hispida Eydoux and Souleyet - 489 



iH 



