Goree Island, Senegambia. 207 
Pisa carinimana. 
Pisa carinmana, Miers, Ann. & Mag. Nat. Hist. (ser. 5) iv. p. 11 
pl. iv. fig. 6 (1879). 
Several specimens are in the collection, of both sexes and 
different sizes; none are as large as the type from the 
Canaries (2. MacAndrew, Esq.), which (rostrum included) 
measures 7 lines in length (15 millim.) ; the largest specimen 
in the Senegambian collection has a total length (rostrum 
included) of only 6 lines (13 millim.), breadth little over 4 
lines (9 millim.). 
Some of the specimens preserved in spirit are of a beautiful 
rose-colour with yellowish patches, others yellowish brown ; 
but there are apparently no other differences observable be- 
tween the two varieties. Only in adult males are the specific 
characters drawn from the anterior legs or chelipedes to be 
made out. In the females not only are these characters 
undistinguishable, but also the tubercles on the gastric and 
branchial regions are commonly obsolete; the transverse 
tubercles of the gastric region (which are very obscure in the 
type) are not to be made out in the series now before me, 
and ought to be erased from the specific description. 
J 
Lambrus (Parthenopoides) massena, Roux. 
A good series of specimens of both sexes is in the collection, 
which I refer here. Colour in spirit varies from yellowish 
brown to reddish. 
This species varies very considerably in the form of the 
rostrum and the amount of tuberculation of the carapace; and 
it is possible that some of these differences may be of specific 
importance. 
In what I shall regard as the typical, because the com- 
monest, condition of: the species, with which I believe ZL. 
rugosus, Stimpson, from the Cape-Verds, to be probably 
identical, the front is very prominent, triangulate, and acute 
or subacute; the gastric, cardiac, and branchial regions very 
convex and tuberculated ; one tubercle on the summit of each 
of these regions is more prominent than the rest; the inter- 
regional depressions in the carapace and the sides towards 
the lateral margins of the branchial regions are nearly smooth. 
The chelipedes have the merus or arm rather slender and 
elongated, strongly tuberculated above, palm with but few 
granules or tubercles on its flattened upper surface (exclusive 
of the marginal teeth). 
Length and breadth of a specimen from Goree a little over 
