THE ANiNAI.S 



AND 



MAGAZINE OF NATURAL HISTORY. 



[FIFTH SERIES.] 



" per litora spargite museum, 



Naiades, et cireiun vitreos coiisidite fontes : 

 PoUiee virgineo teneros h'lc carpite flores : 

 Floribus et pictum, divse, replete canistrum. 

 At vos, o N3aiiphffi Craterides, ite sub undas ; 

 Ite, recurvato variata corallia trunco 

 Vellite muscosis e rupibus, et mihi conchas 

 Perte, De£e pelagi, et pingui conchylia sucoo." 



N.PartheniiGiaHiieftasii Eel. I. 



No. 79. JULY 1884. 



I, — On the Cryptoniscidaj. By Prof. R. KOSSMANN *. 



For tlie completion of my investigations upon the parasitic 

 Isopods living Tipon Crustacea, the Epicaridia, the Royal 

 Academy of Sciences granted me last autumn a considerable 

 travelling stipend. The completion of my labour of many 

 years has been brought into the immediate future by this 

 liberality, for which 1 here with pleasure express my gratitude ; 

 but its publication will nevertheless occupy so much time that 

 a preliminary communication of the more important results of 

 this last journey would seem to be justified. 



This journey was devoted to the investigation of the Cryp- 

 toniscidffi, and therefore of that subdivision of the Epicaridia 

 which has been least studied, and which, on account of its 

 extensive retrogression, presents the greatest difficulties to 

 investigation. 



In the year 1 843 Rathke f, in his " Beitriige zur Fauna 

 Norwegens," described, under the name of Liriope pygmcea, 



* Translated by W. S. Dallas, F.L.S., from the ' Sitzungsbericlite der 

 k. preuss. Akademie der Wissenschaften,' April 24, 1884, pp. 457-47o. 



■j- Ratbke, " Beitrage zur Fauna Norwegens," in Nova Acta Acad 

 Leop. Carol, xx. p. 60, tab. i. tigs. 8-12. 



Ann. & Mag. N. Hist. Ser. 5. Vol. xiv. 1 



