of the Fishery Board for Scotland. 



159 



— been examined by hand-net ; and as several interesting species were 

 then obtained which did not occur in any of the subsequent gatherings, 

 I have included the results of this one in the same list with the others. 

 A list of all the Mollusca and Crustacea observed during these five 

 visits is therefore contained in the annexed Table, which also includes 

 a few molluscan species that were captured by allowing the tow net to 

 drag for a short distance over the mud at the bottom. 



Table containing the Names of all the Species of Mollusca 

 and Crustacea. 





Dates. 



Names of the Species. 



1897. 



1898. 





July 27. 



Nov. 3. 



Mar. 4. 



June 16. 



Sept. 15. 



MOLLUSCA. 













Sphcerium cQrncnm (Linne), 



u 



IT. 



t 

 i. 



tr. 



£ 



Pisidium pusillum (Gmelin), 



t. 



IV. 



r. 



t 

 I. 



o 



,, nitidmn, Jenyns, 



A 

 U 



tr. 



A 

 U 



r. 



o 



*Anodonta cygned, Linne, 



A 

 U 



A 



') 



A 

 U 



tr. 



o 



u 



Vakatapiscinalis, Miiller, 



f 

 I. 



c. 



f 

 t. 



tr. 



f t 



,, cristaia, MUUer, - 



f 

 I. 



fr 



ir. 



A 

 U 



r. 



fr. 



PlanorUs nitidus, Miiller, - 



f 

 I. 



n 



A 

 U 



A 



u 



o 



,, mint ileus (Linne), 



n 



u 





A 

 U 



i. 



o 



,, a/bus, Miiller, 



A 



U 



A 



u 



A 



t 

 t. 



A 



u 



,, contort us (Linne), 



f. 





f. 



f. 



f. 



Physa fontinalis (Linne), - 



0 



r. 



f. 



r. 



f. 



l/imncea peregra (Miiller), 



f. 



fr. 



fr. 



fr. 



fr. 



palustris (Muller), 



f. 



0 



0 



0 



0 



Succinea p^ltris, Linne, 



A 

 U 



u 



A 



u 



r. 



o 



CRUSTACEA : Amphipoda. 













Gammarus pulex (Perm.), - 



A 



u 



tr. 



fr. 



A 



A 



u 



COPEPODA. 













Diaptomiis gracilis, G. 0. Sars, - 





0 



r. 



0 



0 



Cyclops stremius, Fischer, - 





f. 



f. 



fr. 



f. 



,, biscuspidatus, Claus, 





0 



0 



0 



0 



,, vernal is, Fischer, - 





0 



f. 



0 



0 



,, viridis ( Jurine), 





f. 



r. 



r. 



f. 



,, albidus (Jurine), . 





0 



0 



0 



0 



,, serrulatus, Fischer, 





f. 



f. 



f. 



f. 



,, fiixbriatus, Fischer, 





0 



f. 



f. 



f. 



,, phaleratus, G. 0. Sars, r 





0 



o 





0 



Canthocamptus staphylinus, Jurine, - 





fr. 



fr. 



1 



f. 



,, inornatus, T. Scott, - 





0 



0 



0 



f. 



,, minutus, Claus, - 





0 



f. 



r. 



0 



Attheyella duthiei, T. and A. Scott, - 





0 



0 



0 



0 



,, crassa (G. 0. Sars), - 





0 



fr. 



0 



0 



>? pygmcea (G. 0. Sars), 





0 



f. 



0 



0 



,, zschokkei (Schmeil), - 





0 



0 



r. 



0 



Moraria anderson-smithi, T. &A. Scott, 





0 



0 



0 



0 



,, brevipes, G. 0. Sars, 



0 



0 



r. 



0 



0 



Ostracoda. 













Gypria exsculpla (Fischer), 





0 



0 



0 



0 



,, opldhahnica (Jurine), 

 Gyclocypris serena (Koch), - 





r. 



f. 



f. 







0 



0 



f. 





Cypris incongruens, Ramdohr, - 





0 



0 



0 



i 



,, pnbera, Muller, 

 Herpetocypris reptans (Baird), - 





r. 



r. 



r. 



? 





r. 



r. 



f. 



? 



,, lumefacta, B. and R., - 



0 



0 



0 



f. 



? 



*The Anodonta was not found in the loch, but in the bed of the Dean Burn a short 

 d istance from where it issues from the loch. 



