4 
BULLETIN OF THE UNITED STATES FISH COMMISSION. 
National Zoological Park; Mr. G. M. Gray, of Woods Hole, Mass., and Mr. L. M. 
McCormick, of the Glen Island Museum. 
The crustaceans dredged by the Fish Hatch represent the fauna of the coast to 
a depth of 225 fathoms, although the majority of the species come from within the 
100-fathom line. Our list also includes the fauna of the fresh waters and land crabs. 
One genus and 14 species of Brachyura and 1 genus and 13 species of Macrura are 
described as new. The types are in the U. S. National Museum. 
The definitions of families and genera have been in large part quoted or con- 
densed from other authors. The division into families is mainly that of Stubbing. 1 
In connection with the work on Porto Rican species, a large number of specimens 
of the same species in the West Indian collection of the National Museum have been 
determined, and the localities noted. 2 
List of dredging datums of the U. S. Fish Commission steamer Fish Hawk about the island, of 
Porto Rico at which Brachyura and Macrura were collected. 
Station 
No. 
Date. 
Locality. 
Depth. 
Bottom. 
Dredging 
instruments. 
1899. 
Fathoms. 
6051 
Jan. 
13 
Off entrance to San Juan 
45 
Sand, mud 
Tangle. 
Harbor. 
16 
44 to 54 
6055 
Jan. 
18 
Off Aguadilla 
137 
Sand, mud, and shells. 
Dredge. 
6057 
19 
44 
Sticky mud 
Do. 
6058 
19 
.do 
do 
6059 
19 
do 
Do. 
6060 
Jail. 
19 
12 
do 
6061 
20 
12 to 18 
6062 
Jan. 
20 
do 
25 to 30 
Sand, mud, and shells. 
Dredge. 
6063 
Jan. 
20 
do 
75 to 76 
llock v, sand, and coral 
11-foot beam trawl. 
6064 
20 
22 to 33 
6065 
Jan. 
20 
4 to 6 
6066 
20 
161 to 172 
6067 
20 
do 
97 to 120 
Coral 
Dredge. 
6070 
21 
220 to 225 
Rocky 
9- foot beam trawl. 
6072 
Jan. 
25 
Off Puntade Melones 
7 4 
Coral, sand, shells 
Tangle. 
6073 
Jan. 
25 
do 
8 
(?) 
Dredge. 
6074 
25 
84 
6075 
25 
8t4 
do 
26 
10 
do 
Do. 
6079 
Feb 
6 
20 to 23 
Coral . . . 
6080 
Feb. 
6 
20 
6084 
Feb. 
8 
Off Vieques Island 
u 
Coral, sand, shells 
Tangle. 
6085 
Feb. 
8 
do 
14 
6086 
Feb. 
8 
143 
do 
Feb. 
8 
154 
do 
Tangle. 
6089 
Feb. 
8 
21 
Do. 
6090 
Feb. 
8 
16 
do 
Do. 
6091 
Feb. 
8 
15 
Do. 
6092 
8 
16 
do 
Do. 
6093 
Feb. 
8 
15 
do 
Do. 
6094 
Feb. 
8 
12 
do 
Do. 
6095 
Feb. 
8 
12£ 
do 
Do. 
6096 
Feb. 
8 
6* 
do 
Do. 
6097 
Feb 
8 
10 
Do. 
6098 
Feb 
8 
124 
Do. 
6099 
Feb. 
8 
94 
Do. 
1 A History of Crustacea, 1893. 
'-This is, however, not true of the Alpheidx, as the National Museum collection of ttiat family lias 
recently been sent to Dr. H. Coutiere, of the Museum of Natural History, Paris, for study. 
