EXPLANATION OF THE PLATES. 278 
Fig. 3. Uroptychus pubescens Fax. Female. Enlarged. 
Or. s ss ss Antennule. 
Wee uy sf us External maxilliped. 
PLATE XXVII. 
Fig. 1. Calastacus stilirostris Fax. Male. Enlarged. 
Le Le u ae Ws Front and rostrum from above. 
Usa us re Swimmeret. 
<a ee i Us Antenna of the second pair. 
ceed a cc First abdominal appendage of the male. 
OIG ee sf oe Second abdominal appendage of the male. 
OS AYE « us e Third abdominal appendage of the male. 
“ 2. Calocaris macandree Bru. North Atlantic. Antenna of the second pair, 
viewed from above. 
LE ides Us co a Antenna of the second pair, viewed from the 
side. 
PLATE XXVIII. 
Fig. 1. Awius crista-galli Fax. Female. Enlarged. 
1%: € we § Anterior part, viewed from above. 
ial be ae Rostrum in profile. 
Gi Tle iy « Swimmeret. 
ake ss ss e Antenna of the second pair. 
a ale. ce & & Leg of fourth pair, male. 
ae ss v5 re Leg of fifth pair, male. 
ira 2, a6 a &§ First abdominal appendage, female. 
UF ges 6 ¥6 Second abdominal appendage. 
“ 2. Axius acutifrons (BATE). Female. Cheliped. 
PLATE XXIX. 
Fig. 1. Eryonicus spinulosus Fax. Dorsal view. Enlarged. 
aS i <6 as sg Lateral view. Enlarged. 
“ 2. Eryonicus ceecus BATE? Mandible. Adult male. Station 3375. 
GS. & a3 6 First maxilla, adult male. 
Gs. ce a G Second maxilla, adult male. 
De. ce ss us First maxilliped, adult male. 
GE et € ss Second maxilliped, adult male. 
Gs OF 3 e of Third maxilliped, adult male. a, epipod. 
ie Ore “ é as Swimmeret, adult male. 
PLATE XXX. 
Fig. 1. Eryonicus cecus BATE ? Front and oral region, adult male. Station 
3375. a, ophthalmic lobe. a’, papilla of 
ophthalmic lobe. £, first antenna. y, prox- 
imal segment of second antenna, y/, phy- 
macerite. y'’, scaphocerite, or scale of 
second antenna. y/"’, fourth, or distal seg- 
ment of antennal peduncle. 8, mandible. 
8’, distal segment of mandibular palp. 
«,mouth. labrum. 7, posterior wall of 
mouth. &, metastoma. 
