CRYPTOLITHODES TYPICUS. 271 
OCYPODE URVULII (Guerry).—Esquimalt Harbour. 
GRAPSUS LIVIDUS (Dana).—Esquimalt Harbour. 
HEMIGRAPSUS SEDENTATUS (Dawa).—Between the tide- 
marks, Esquimalt Harbour. . 
Dana records it from the island of St. Lorenzo, 
at Peru. It is remarkable for the great speed 
with which it runs across the dry sands to escape 
capture. 
GELASIMUS ANNULIPES (Epwarps).—Esquimalt Harbour. 
Dana records it from Singapore, East Indies, 
and Mr. Edwards from the Indian Sea. 
PINNOTHERES FABA (Dana).—Esquimalt Harbour, recorded 
by Dana from Puget’s Sound. 
CRYPTOLITHODES TYPICUS.—Brandt, Bull. de l’Acad de St. 
Petersbourg, 1849, vii. 175; Stimpson, Crust. et Echin. of Pacific 
North America; Journal of the Boston Soe. of Nat. Hist., vol. vi. 
p. 472, pl. 20. 
A specimen of this species, which was first 
described by Brandt, and afterwards more fully, 
as well as figured, by Stimpson, was taken in 
Rosario Strait, Vancouver Island, as well as in 
Upper California. 
The male, which has not hitherto been des- 
cribed, differs from the female in being less 
produced posteriorly. The posterior margin, 
instead of being projected in an arch inversely 
