Marine isopods collected in the Philippines by the fisheries steamer Albatross in 1907-08 . ines. The inner branchof the uropoda is broad and longerthan the terminal abdominal seg-ment; it is obliquely truncate withthe outer, postlateral angle pro-duced, the posterior margin fur-nished with five teeth and theouter margin incised, with twoteeth within the incision. Theouter branch is narrow, and pro-duced to an acute extremity end-ing in two teeth, both marginsbeing dentate. The uropods and the terminal abdominal segment are fringed withhairs on the margins. The first three pairsof legs are
Marine isopods collected in the Philippines by the fisheries steamer Albatross in 1907-08 . ines. The inner branchof the uropoda is broad and longerthan the terminal abdominal seg-ment; it is obliquely truncate withthe outer, postlateral angle pro-duced, the posterior margin fur-nished with five teeth and theouter margin incised, with twoteeth within the incision. Theouter branch is narrow, and pro-duced to an acute extremity end-ing in two teeth, both marginsbeing dentate. The uropods and the terminal abdominal segment are fringed withhairs on the margins. The first three pairsof legs are short, the last four pairs long, and all are specimens were collected at station 5554, Jolo Island and vicinity, CabalianPoint (Jolo), at a depth of 25 fathoms. Type, catalogue number 41012, United StatesNational Museum. This species is similar to Cirolana japonica Hansen,« but differs in the form of theinner branch of the uropoda and in the form of the second maxillae. a Vidensk. Selsk. Skr. (6), v, pt 3,1890, p. 349-351, pi. iv, fig. 2 a-1. Fig. 4.—Cirolana Fig. 5.—Cirolana excisa. a, First maxilla (outer lobe);b, first maxilla (inner lobe); c, second maxilla; d, max-illiped. X 77i. MARINE ISOPODS FROM THE PHILIPPINE ISLANDS. 7 Oirolana curt a, sp. nov. Body oblong-ovate, three times longer than wide, 6 mm.: 18 mm. Surface yellow, marked with numerous black marks, close together; uropods and abdo-men yellow, with black marks only at the base. Head wider than long, mm. mm., with the anterior margin produced ina small median point, on either side of which is a small excavation. Eyes large,quadrate, about as wide as long, 1 mm.:l mm., composite, situated in the antero-lateral angles and separated by a distance of mm. at the anterior extremity. Thefirst pair of antennae have the first two articles of the peduncle short and sub-equal;the third is a little longer than the first two taken together, and extends to the end of
Size: 1923px × 1299px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1910, bookpublisherwashi, bookyear1910