. Alaska ... Natural history; Scientific expeditions. DECAPODS 121 feet reaching the end of the maxillipeds; hand very long and narrow, the length from four to four and a half times the width, longer in male than in female, inflated near the base, outer margin' concave for the most part, inner convex, dactylus when flexed almost longitudinal. jjyfi ^"'- ^'' Crangon francis- Abdominal segments smoothly rounded; mmcorum (). a. cheia of $. ^ . San Francisco market, b. Chela with a spine on either side of the posterior ex- of 9. station 2528. tremity at the supero-lateral angles. Sixth se
. Alaska ... Natural history; Scientific expeditions. DECAPODS 121 feet reaching the end of the maxillipeds; hand very long and narrow, the length from four to four and a half times the width, longer in male than in female, inflated near the base, outer margin' concave for the most part, inner convex, dactylus when flexed almost longitudinal. jjyfi ^"'- ^'' Crangon francis- Abdominal segments smoothly rounded; mmcorum (). a. cheia of $. ^ . San Francisco market, b. Chela with a spine on either side of the posterior ex- of 9. station 2528. tremity at the supero-lateral angles. Sixth segment as in C. nigricauda; telson sharp. Dimensions.—htxig^ of male 77 mm., length of carapace mm., of antennal scale 15 mm. Distribution.—I have examined specimens from Thorn Arm, southeastern Alaska, in drag seine (Albatross). Promise Island, southeastern Alaska {Albatross). Loring, Revillagigedo Islands, southeastern Alaska {Albatross). Strait of Fuca (D. S. Jordan). Puget Sound (D. S. Jordan). Mouth Tenmile Creek. 10 miles south of Florence, Oregon (S. E. Meek, U. S. Fish Commission). Off Tillamook Rock, Oregon, 29 fathoms {Albatross station 2883). Off Yaquina Head, Oregon, 28 fathoms {Albatross station 3055). San Francisco Bay {Albatross): on South Belmont Oyster Beds, with seine; off San Mateo, 3 fathoms, with boat dredge; in San Pablo Bay, in Chinese shrimp nets; San Pablo Bay, 12 fathoms, station 3097 ; and off San Bruno Point, in Chinese shrimp nets. San Francisco Bay (various collectors). San Francisco market (R. E. C. Stearns). Pacific Grove, California (Stanford University). San Diego, California (H. Hemphill). Previously known also from Shoalwater Bay, Washington, and To- males Bay, California. This form is represented in deeper waters by a form which I have called CRANGON FRANCISCORUM ANGUSTIMANA Rathbun. Crangonfranciscorumangustimana'RxiYL^Mli, Proc. U. S. Nat. Mus., xxiv, 1902. Its chief difference lies in the shape of the hands, which are narrower tha
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectnatural, bookyear1901
