SPECIES ARRANGED BY GEOGRAPHICAL REGIONS. 259 
Gly phocrangon nobilis? Nematocarcinus agassizii. 
Heterocarpus affinis. Acanthephyra curtirostris, var. B. 
Pandalopsis ampla. Benthesicymus tanneri. 
Nematocarcinus ensifer. Gnathophausia willemoesii. 
Near Las Tres Marias (Stations 8424-3428 ; 80-680 fathoms). 
Lambrus hassleri. Polycheles sculptus pacificus. 
Osachila lata. Sclerocrangon atrox. 
Lithodes sp. Paracrangon areolata. 
Munida refulgens. Glyphocrangon spinulosa. 
Galacantha diomedez parvispina. Heterocarpus affinis. 
Munidopsis hystrix. Pandalopsis ampla. 
Munidopsis seabra. Nematocarcinus ensifer. 
Munidopsis quadrata. Benthesicymus tanneri. 
Munidopsis depressa. Gnathophausia willemoesii. 
Nephropsis occidentalis, 
Off Mazatlan (Stations 3429, 3430; 852 and 919 fathoms). 
Parapagurus pilosimanus abyssorum. Nematocarcinus ensifer. 
Galacantha diomedee. Acanthephyra curtirostris, var. y. 
Gulf of California (Stations 8431-3437 ; 628-1588 fathoms) 
Parapagurus pilosimanus abyssorum. Hymenodora glacialis. 
Galacantha diomedez parvispina. Benthesicymus tanneri. 
Sclerocrangon procax. Gennadas sp. 
Glyphocrangon spinulosa. Sergestes bisulcatus. 
Glyphoerangon nobilis? Eucopia australis. 
Nematocarcinus ensifer. Petalophthalmus pacificus. 
Acanthephyra curtirostris, var® a, B, y. 
