522 TAGE SKOGSP.RRr, 



sorial filaments. Mandible: The second protopodite joint has no bristles at the middle 

 of the dorsal side. The exopodite is about half as long as the anterior side of the first endopodite 

 joint. The second endopodite joint has two proximal bristles, which are almost as long as the 

 main bristle a and one long, narrow bristle between the main bristles b and c. The end claw 

 is about as long as the anterior side of the second and third endopodite joints. The f u r c a 

 has seven claws in the female (pi. 29. figs. 22, 24, 25). In the case of the two latter authors' 

 forms a reference to the figures of the shell should be enough to support the contention I have 

 put forward above; further details would be superfluous. 



As neither descriptions nor figures have been given nothing can be said with certainty 

 about the relation of the following forms to the forms treated above: Cylindroleheris Mariae, 

 A. M. Norman, 1867, p. 198; 1869, pp. 259, 295. Philomedes Mariae, A. M. NORMAX, 

 1867, p. 208. Asterope Mariae, G. 8. Brady, 1871, p. 295; 1902 b, p. 99; G. 0. Sars, 1872, 

 p. 279; G. S. Brady and D. ROBERTSON, 1872, pp. .59, 70; 1874, p. 115; 1876, p. 187; Th. Scott. 

 1902 b, pp. 497, 509, 511, 517; Marine Biological Association. 1904; C. H. Ostenfeld, 1906, 

 p. 96; C. H. Ostenfeld and C. Wesenrerg-Lund, 1909, p. 112; A. M. Norman and G. S. 

 Brady, 1909, p. 359. Asterope oblonga, E. Graeffe, 1900, p. 34. Cylindroleheris oblonga, G. W. 

 MULLER, 1908, p. 94; 0. de BUBN, 1916, p. 365. 



In order still further to illustrate the uncertainty that exists with regard to the synonym- 

 ization of forms belonging to this group the following facts may be added. I applied to Professor 

 G. S. Brady for specimens of A. Mariae so as to carry out a verificatory investigation. A tube 

 containing a number of individuals, defined by Professor Brady as A. Mariae, was kindly 

 sent to me by this investigator. As will be seen in the remark under A. aberrata, p. 508 of this 

 treatise, all the specimens except one turned out to belong to the latter species, which is of course 

 a form that is fairly well differentiated from species of the Grimaldi group wich regard to the 

 type of shell, etc. The specimen that did not belong to A. aberrata was a larva, a male in the 

 penultimate larval stage, which thus did not permit of certain identification of the species, but 

 I do not hesitate, however, to state that it is very probable that it belonged to A. norvcgica. 



Since, as has been shown above, both Cypridina Mariae W. Baird and C. oblonga 

 E. Grube are too incompletely described to allow of quite certain identification of these species, 

 it seems undoubtedly best, at least for the present, to reject these two names of species 

 in order to avoid further confusion. ( )nly if it should tm'n out that fully identifiable type- 

 specimens are still in existence or if only a single form of this type were to be found at the 

 type localities, the Isle of Skye in the case of C. Mariae and Cherso Island in the Adriatic Sea 

 in that of C. oblonga, ought these names to be adopted once more. 



Habitat: — Mediterranean Sea: Villefranche-sur-mer, France, (t y p c - 1 o c a- 

 1 i ty); 19. I. 1916; depth 95 m. ; fine clay; temperature at the bottom, + 13,5" C. : one mature 

 female; (auctor coll.); R. M. S., on slides. Naples: one male juvenis (coll. (i. W. MULl.Kli); 

 R. M. S., on slides. 



Distribution: — Naples ((i. W. Mi'LEER, loc. cit.). 



