160 



Port III. — Seventeenth Annual Report 



Table containing the Xames of all the Species of Mollusca 

 and Crustacea — continued. 



Names of the Species. 



Dates. 



1897. 



1898. 



t,,i., Q7 



o uiy H . 



JNov. o. 



Mar. 4. 

 ... 



dune id. 

 



oept. 10. 



Ostracoda — contin ued. 



. .. . 











Ilyodvomus olivacea, B. and N. , 



f. 



0 



0 



0 





Cypridopsis villosa (Jurine), 



f. 



0 



r. 



0 





,, newtoni, B. and R., 



f. 



0 



0 



0 





Ilyocypris biplicata (Koch), 



0 



0 



r. 



0 



... 



Potamocypris ftdra, G. S. Brad}', 



f. 



0 



0 



0 



... 



Candona Candida (Miiller), 



f. 



r. 



% 



f. 





,, htctea, Baird, - 



f. 



0 





0 





7.*,, 7 „ * 1 77 7 I > 



fcinysteii, r>. and K., 



f. 



0 



°o 



0 





,, rostvata, B. and N., 



f. 



0 





0 





,, Jaoa>jormis (t ischer), - 



0 



0 



f. 



0 





Ltmntcytfiere mopmata (Baird), - 



f. 



0 



f. 



f. 





CLxlDOCERA. 













Ceriodaphnia laticaudata, P. E. Miiller. 



f. 



0 



0 



0 



0 



Scapholeberis mucronata (Miiller). 



f. 



0 



0 



0 





Simocephalus vetulus (Miiller), - 



f. 





0 



0 



r. 



Daphnia lacustris, G. 0. Sars, - 



f. 



f." 



fr. 



c. 



f. 



Jlyocryptas sordidus (Lievin), 



?. 



0 



0 



f. 



f. 



Eurycercus lamellatus (Miiller), - 





0 



0 



0 



0 



Leydigia qvadrangularis (Leydig), 



0 



0 



0 



r. 



0 



Alona affinis (Levdig), - ' - 



f. 



0 





0 



r. 



„ quadrangular^ (Miiller), 



f. 



i\ 



% 



fr. 



0 



,, guttata, G. 0. Sars, 



f. 



0 



r. 



r. 



0 



Pleuroxus uncinatus, Baird, 



f. 



0 



0 



0 



fr. 



tHgonellus (Miiller), - 



f. 



f.t 



0 



0 



0 



Ckydornis spkcerictis (Miiller), - 



f. 



r. 



f. 



0 



f. 



The accompanying formula shows the; number of species belongiug to 



each of the three entomostracan groups which were observed in the 



different shore gatherings. Co., Copepoda ; Os.. Ostracoda; CI., 

 Cladocera. 



Date. 



Julv 27, 

 1897. 



Nov. 3, 

 1897. 



March 4, 

 1898. 



June 16. 

 1898. ' 



Sept. 15, 

 1898. 



Names of the groups 



Co. Os. CI. 



Co. Os. CI. 



Co. Os. CI. 



Co. Os. CI. 



Co. 0s. CI. 



Number of Species in each 

 group, 



17 15 11 



4 4 5 



12 8 3 



7 8 5 



6 > 7 



Number of Species in each 

 gathering, 



43 



13 



23 



20 



i 



When the loch was visited in July the weather was exceptionally 

 favourable for shore-collecting, and by far the largest number of species 

 in all the three groups was then obtained. The formula shows that the 

 total number obtained in this gathering was forty-three, or nearly double 

 the highest number observed in any of the other four gatherings. Fifty 



