PROCEEDINGS OF UNITED STATES NATIONAL MUSEUM. 57 
Fic. 3a.—The same, side view; a, as in last figure. 
Fic. 4.—Lupagurus politus Smith. Lateral view of left side of a male, from station 
922, natural size. : 
Fig. 5.—Catapagurus Sharreri A, M.-Edwards. Lateral view of left side of a male in 
a carcincecium, formed by Adamsia sociabilis Verrill, from station 940, 
enlarged two diameters. 
PLATE VV. 
Fic. 1.—Lupagurus bernhardus Brandt. Outline of transverse section through the 
lower part of the anterior arthrobranchia of the thirteenth somite (pen- 
ultimate thoracic), showing the form of the lamellw, enlarged eight 
diameters; a, afferent, and b, efferent vessel. 
Fic. 2.—Sympagurus pictus Smith. Outline of similar section of the corresponding 
- branchia of a female, from station 924, enlarged eight diameters, and 
lettered as in the last figure. 
Fig. 2a.—Extremity of the same branchia, side view, enlarged eight diameters. 
Fia. 3.—Parapagurus pilosimanus Smith. Outline of similar section of the correspond- 
ing branchia of a male, from station 880, enlarged eight diameters, and 
lettered as in Figs. 1 and 2. 
Fic. 3a.—Extremity of the same branchia, side view, enlarged eight diameters. 
Fic. 4.—Parapagurus pilosimanus. Lateral view of the left side of the originally 
described male specimen, taken on a trawl-line off Nova Scotia, half 
natural size. 
Fig. 4a.—Dorsal view of the carapax and anterior appendages of the same specimen, 
natural size. 
Fi1G. 4b.—Dorsal view of the chelipeds of the same specimen, half natural size. 
Fic. 5.—Dorsal view of a male in the carcinecium (Epizoanthus paguriphilus Verrill), 
from station 947, natural size. 
PLATS -V.I. 
Fic. 1.—Parapagurus pilosimanus. First maxilla of the right side, seen from below, of 
a male from station 880, enlarged six diameters. 
Fie. 2.—Second maxilla of the right side of the same specimen, enlarged six diam- 
eters. 
Fig. 3.—First maxilliped of the right side of the same specimen, enlarged six diam- 
eters. 
Fie. 4.—Appendage of the right side of the first somite of the abdomen of the same 
specimen, seen from behind, enlarged four diameters. 
Fic. 4a.—Appendage of the right side of the second somite of the abdomen of the 
same specimen, seen from behind, enlarged four diameters. 
Fig. 5.—Sympagurus pictus. Dorsal view, from life, of a male in the carcinecium 
( Urticina consors Verrill), from station 924, one-half natural size. 
I'14@. 6.—First maxilla of the right side of a female, from station 1114, enlarged six 
diameters. 
Fig. 7.—Second maxilla of the right side of the same specimen, enlarged six diam- 
eters. 
Fic. 8.—First maxilliped of the right side of the same specimen, enlarged six diam- 
eters. 
Fie. 9.—Eupagurus bernhardus. First maxilliped of the right side of a male, from 
station 119 (Halifax, Nova Scotia), enlarged six diameters. 
