CRUSTACEA.. 201 



upper face of the palms in one (the largest) of the Shark-Bay 

 specimens. 



As there are in the British-Museum collection adult examples 

 undoubtedly referable to L. nodosus from Shark Bay, collected by 

 Lieut. Suckling, E.N., and presented by W. Wykeham Perry, Esq., 

 it is possible that L. intermedius may represent merely a young 

 condition of this species. 



26. Lambrus turriger, White. 



An adult male and female, in. somewhat imperfect condition, are 

 in the second collection, from the Arafura Sea, 32-36 fms. (No. 160). 



These specimens are certainly identical with specimens from the 

 Philippine Islands (Cuming) and Borneo (Admiralty), designated 

 L. turriger by White, although in the adult male received from 

 Dr. Coppinger the spines of the carapace are considerably longer 

 than in the largest of these examples. 



Mr. HasweH mentions the occurrence of L. turriger at Darnley Island. 



As the description and figure of Adams and White* give an 

 inadequate idea of this very remarkable form, I subjoin the following 

 description of the principal specific characters, based upon an ex- 

 amination of Dr. Coppinger's adult male : — 



The carapace is somewhat rhomboidal, constricted behind the 

 orbits ; the front prdminent, triangulate, acute and deflexed, with a 

 small tooth or tubercle on each side near the base. The carapace 

 is armed with long spines, whereof one is situate on the gastric, one 

 (very long) on the cardiac, and one (very long) on each branchial 

 region ; these spines are vertical ; there is besides a shorter spine 

 behind and in front of each of the branchial spines, and two, directed 

 obliquely backwards, on the posterior margin of the carapace. The 

 chelipedes are very long, more than 4^ times as long as the carapace, 

 slender, and approaching more nearly to a cylindrical form thanin any 

 other species I have examined ; the palm is scarcely more dilated 

 than the wrist; and both arm, wrist, and palm are closely tuberculated 

 both on their upper "and under surfaces; the anterior and posterior 

 margins are armed with longer tubercles or short spines, nearly as 

 in the figure of Adams and White. In the smaller examples some 

 of the shorter spines of the carapace may not be always developed, 

 but the four long vertical spines of the gastric, cardiac, and branchial 

 regions and the two spines of the posterior margin are always 

 distinct. 



27. Lambrus hoplonotus, var. granulosus, Miers. 



Three specimens fromFUnders, Clairmont, N.E. Australia, 11 fms. 

 (No. 108, first collection), and one from Port Darwin, 12 fms. 

 (second collection), agree more nearly with this variety than with any 

 other of this protean species, but exhibit a marked approach to var. 

 Jongioculis in the subspiniform tubercles of the gastric, cardiac, and 



* Zoology H.M.S. ' Samarang,' Crustacea, p. 26, pi. v. fig. 2 (1848). 



