F. TRYBOM, TWO NEW SPECIES OF THE GENUS EUCONAXIUS. 389 



the female (fig. 7) oue, and, in the male (fig. 5) two 1 minut e blunt 

 processes ("appendices internse") ; one of theni, in the male, 

 furnished with hairs, the other in the male, like the single 

 process in the female, is seemingly two-jointed and provided 

 with verv small hooks or papillse at the apex. 



The general colour resembles that of Cdlocaris Macandrea 

 Bell, but without the tinge of rose. When dried, the speci- 

 mens are glabrous. 



This species, beeing nearly related to Axius armatus 

 S. I. Smith 2 , is always to be distinguished from the latter 

 by the armonr of the ventral part of the carapace. In Axius 

 (irmatus, the lateral and the sub-dorsal carinse are destitute 

 of spines. 



A female (ex. n:o 1), bearing 11 eggs when brought on 

 board the steamer, together with another mnch smaller female 

 (ex. n:o 2), was dredged durin g the expedition of the Swedish 

 gunboat "Grunhild" in the summer of 1879, from a depth of 

 about 410 meters in the Skager Räck. The bottom consisted 

 of a hne brown clay". 



Of these two specimens, which have been kindly lent to 

 me from the Swedish National Museum of Natural History 

 for examination by Prof. Hj. Théel, the larger had a length 

 of -17, and the younger individual of 21 millimeters; the 

 carapace including the rostrum and measured on the dorsal 

 side, 18 and 8 mm. respectively, the abdomen with the telson 

 29 and 13 mm. The eggs had a diameter of 1,5 mm., after 

 having been- a ]ong time in spirit. 



During the expedition of the Swedish Hydrographic- 

 biological Commission on the gunboat "Skäggald" I obtained, 

 on the 6th of July 1902, two specimens from a depth of about 

 230 meters and from a bottom, consisting of clay, in the 

 Kosterfjord (Bohuslän). The larger specimen — a male — (ex. 

 n:o 3) was of the same length as the larger female mentioned, 

 the smaller — a female — (ex. n:o 4) was a little shorter. 

 The same day 1 succeeded in catching a third individual — 

 a male — (ex. n:o 5) which w r as 52 mm. in length (carapace 



1 When drawing the figures, Mr. Lilljevall found, that the difference 

 between the sexes is constant. 



2 S. I. Smith "Preliniinary notice of the crustacea dredged in 64 to 325 

 fathoms off the south eoast of New England by the United States Fish Com- 

 mission in 1880". — Proceedings of the U. S. National Museum. Vol. III 

 1880. p. 433. 



