Marine isopods collected in the Philippines by the fisheries steamer Albatross in 1907-08 . d by a slight incision on eitherside of the terminal segment. The species is named for Prof. Alfred Giard. The type from Toporkov Island, Bering Island, is in the U. Museum, Cat. No. 38337. HOLOPHRYXUS CALIFORNIENSIS, new species. Locality.—One fine specimen of this interesting species was col-lected in Santa Barbara Channel, California, in green mud at adepth of 280 fathoms. It is described on the label which accompaniesit as a parasite, but the host is not given. Its color in life is me


Marine isopods collected in the Philippines by the fisheries steamer Albatross in 1907-08 . d by a slight incision on eitherside of the terminal segment. The species is named for Prof. Alfred Giard. The type from Toporkov Island, Bering Island, is in the U. Museum, Cat. No. 38337. HOLOPHRYXUS CALIFORNIENSIS, new species. Locality.—One fine specimen of this interesting species was col-lected in Santa Barbara Channel, California, in green mud at adepth of 280 fathoms. It is described on the label which accompaniesit as a parasite, but the host is not given. Its color in life is men-tioned as being canary yellow. Another specimen comes from Station 4753 on the way from YesBay to Seattle at Bushby Point at a depth of 150-280 fathoms. Thisadult female was attached. The photograph (fig. 4) shows the para-site attached to the dorsal side of the carapace of the host, Pasi-phcea pacifica Eathbun with the head directed posteriorly. This spe-cies is similar to the preceding species in the elongated form of thebody, but differs in lacking the wide anterior ridge, and in not. a Crustacea of Norway, II, 1899, pp. 223-224, pi. xciv, £ juv.* no. 1586. NEW ISOPODS FROM THE PACIFIC OCEAN—RICHARDSON. 693 having the first abdominal segment indicated by incisions in the lat-eral margins. It also has the anterior part of the body more stronglyconvex and not so depressed as in H. giardi. One male accompanies the specimen from Santa Barbara Channel. Description of male.—The male is about three times longer thanwide, being 2 mm. in width and 6 mjn. in length. The head is very


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Keywords: ., bookcentury1900, bookdecade1910, bookpublisherwashi, bookyear1910