388 



already described, but assigned to other genera, which must be added to it ; 

 the distribution is thus extended from the tropical Atlantic to the British, 

 Portuguese, and Ceylon seas. He described a New Zealand species which 

 proves to be new to science, and appears to decide a point which has been dis- 

 puted — viz. the existence of ceratinous material in the skeleton. Geological 

 facts were brought forward showing the existence of the genus in the Eocene 

 upper Chalk and Greensand formations. A new genus of the same order 

 was described, based on a species of Lamarck, and two other species; it is 

 closely allied to Dictyocylindrus\ its distribution extends from Arabia to 

 Australia. — Prof. P. M. Duncan made a communication on two new 

 species of Sponge from the Atlantic sea-bed. — The ninth part of »The 

 Mollusca of the , Challenger' — Family of Pleurotomidaeta, by the Rev. R, 

 Boog Watson, was read in abstract. 



June, 16, 1881. — The Rev. W. H ig gins exhibited a specimen of 

 HolotJmria which had been obtained between Patagonia and the Falkland 

 Islands. This he had identified as Psoitis squamatus, and he observed that it 

 had been figured by Otho F. Müller, in his , Zoologia Danica ', but its 

 southern locality now adds an interesting proof of the wide distribution of 

 the species. — A paper was read entitled »A Revision of the Idoteidae, a 

 family of Sessile-eyed Crustaceans«, by Mr. E. J. Miers. In this contri- 

 bution the author, after some introductory remarks on the history and classi- 

 fication of the group, enumerates critically forty-seven species, besides several 

 varieties, distributed into four genera. The Idoteidae are found in all parts 

 of the globe, but more abundantly in the temperate and colder seas than in 

 the tropics, and usually at moderate depths on sandy, muddy, or rocky 

 bottoms. Their nearest affinities are with the Clmetiliidae and Ai-cturidae, 

 and whether the latter finally may be associated with the Idoteidae future 

 workers will determine. — A communication was read »On the Nostrils of 

 the Cormorant«, by Professor E wart. Certain structural peculiarities were 

 described which apparently accounted for, or seemed possibly connected 

 with, the bird's habit of flying with his mouth open. 



The next meeting will be held on November 3d 1881. 



IT. Personal-Notizen. 



N e c r I g. 



Am 24. Mai starb in Merseburg Eugen von Schlechtendal. Er 

 war der Sohn des bekannten Botanikers, am 8. Juli 1830 in Berlin ge- 

 boren, studirte Jura und war zuletzt Regierungsrath in Merseburg. Von 

 Jugend auf Freund der Ornithologie hat er sich als Präsident des »Deutschen 

 Vereins zum Schutze der Vogelwelt«, welches Amt er 1875 annahm, und als 

 Mitarbeiter der von diesem Verein herausgegebenen Monatsschrift große 

 Verdienste erworben. 



Am 27. Mai starb in Neuchatel Dr. Phil, de Rougemont, Professor 

 der Naturgeschichte und vergleichenden Anatomie an der Académie daselbst. 



Druck von Breitkopf und Härtel in Leipzig. 



