. The Danish Ingolf-expedition. Marine animals -- Arctic regions; Scientific expeditions; Arctic regions. CRUSTACEA MALACOSTRACA. VII. I'd small spines) and not defined from the hind portion of the joint; dactylus slightly curvate, half as long as 6th joint. Pereiopod 2 rather powerful, 4th and 5th joints not much produced, 6th joint oblong oval, palm not very oblique, with abt. 6 broad but rather indistinct teeth and defined at the corner by a single, acute, much larger tooth; dactylus very heavy. Pereiopod j rather slender, with dactylus very long and slender, 3/4 as long as 6th joint. Perei
. The Danish Ingolf-expedition. Marine animals -- Arctic regions; Scientific expeditions; Arctic regions. CRUSTACEA MALACOSTRACA. VII. I'd small spines) and not defined from the hind portion of the joint; dactylus slightly curvate, half as long as 6th joint. Pereiopod 2 rather powerful, 4th and 5th joints not much produced, 6th joint oblong oval, palm not very oblique, with abt. 6 broad but rather indistinct teeth and defined at the corner by a single, acute, much larger tooth; dactylus very heavy. Pereiopod j rather slender, with dactylus very long and slender, 3/4 as long as 6th joint. Pereiopod 4 has side plate longer than deep, much larger than sideplates of pereiopods. Fig. 57. Metopa abyssalis (cj? from "Ingolf" St. 101, v from "Ingolf" St i 2 and 3 combined; the other joints rather more stout than those in pereiopod 3, dactylus I as also in pereiopods 5—7—) abt. - 3 as long as 6th joint. Pereiopod 5 has 4th joint very little produced, in pereiopod 7 4th joint is produced to about the middle of 5th joint. Metasome segment 3 has hind corners produced, acute. Uropod 1 has rami a little shorter than peduncle; uropod 2 has outer ramus shorter than inner ramus; in uropod 3 peduncle lias 2 spines and is somewhat shorter than ramus. Telson is oval, with probably only one spine. $ with marsupial plates, abt. 4 mm. Differs only very little from '. Antenna 1 a little shorter than antenna 2, and flagellum has 9 joints. Antenna 2: flagellum has s joints. Pereiopod 1 has 5th -i]\^\ 6th joints narrower than those of j. Pereiopod 2 has fore margin of 6th joint more curvate. Pereiopod 3 has dactylus still longer than that of J, almost as long as 6th joint. Uropods 1—2 have more distinct spines, and uropod 3 has peduncle and the two joints of ramus almost equal in length. Telson has 2 pairs ol Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance
Size: 1824px × 1370px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1890, booksu, booksubjectarcticregions
