OCR Text |
Show 72 ZOOLOGICAL COLLECTIONS M A D E D U R I N G [Jan. 4, of 4 fathoms, amid rock and kelp, and another at Trinidad Channel. Dana records it from Fuegia; and Dr. Cunningham met with it in great numbers at the Tyssen Islands, Falkland Sound, and in the eastern portion of the Straits of Magellan. The rostrum terminates in a spine, behind and above which are two smaller spines. In the Paralomis granulosus {Lithodes granulosus, Jacq. & Lucas) the rostrum is described as very short, obliquely truncated, distinctly curved downwards towards the base, and surmounted by three spini-form tuberculated teeth; in other respects it closely resembles this species, and, like it, inhabits the Straits of Magellan. Has the rostrum been broken off in the specimen described ? In a very young example from the Antarctic seas, in the British- Museum collection, the granulated and wart-like turbercles of the carapace are closely crowded together, so that none of the smooth under surface is visible, and the spines of the legs are much smaller. EUPAGURUS COMPTUS. Pagurus comptus, White, Proc. Zool. Soc. p. 122 (1847); id. Ann. & Mag. Nat. Hist. (ser. 2) i. p. 224 (1848). Eupagurus comptus, Stimpson, Proc. Ac. Nat. Sci. Phil. p. 237 (1858); Miers, Zool. Erebus & Terr., Cr. p. 3, pi. ii. figs. 5, 5 a (1874). Pagurus forceps, Cunningham, I. c. p. 495 (1871), nee Edwards. To this species I refer nine specimens collected by Dr. Coppinger at Sandy Point in 7-10 fathoms, inhabiting shells of the genera Euthria, Natica, and Trophon ; also a specimen collected at Cockle Cove, on a muddy bottom, depth 2-32 fathoms ; one from Puerto Bueno, at 4 fathoms ; four obtained at Portland Bay on a hard sandy bottom, depth 10 fathoms; and a young specimen obtained at Port Rosario in 2-30 fathoms. These are the same species as the individuals collected by Dr. Cunningham at Possession Bay and Port Otway, in the Museum collection, and referred by him to P. forceps. E. forceps, however, appears to be distinguished by the much shorter, broader, larger hand, and the much shorter and less slender fingers of the left anterior leg. White's typical specimen of E. comptus was collected at the Falkland Islands. Two varieties occur of this species. The typical form is readily distinguished by the form of the hand of the right anterior leg, which (with the fingers closed) is of an ovate shape, narrower distally, finely granulated externally, with a prominent granulated ridge on the upper surface of the palm, and the ridges on its outer surface very indistinct ; the arm has a granulo-spinulous line on its upper margin ; the smaller hand is somewhat trigonous, with the fingers scarcely longer than the palm; and the second and third legs are annulated with red. To it belong, besides White's typical specimen, the one collected by Dr. Coppinger at Puerto Bueno and one of those obtained by Dr. Cunningham at Possession Bay. In the other, and apparently commoner variety, the larger hand is shorter, of a much more oblong-ovate form, the granulous ridges an the outer surface of the palm |