110 



(i) Littorina, rudis, Mat. 



a. forma nov. aureola. 10-12 millim. long, broadly sub- 



ovate, aperture not or hardly angled above, colour 

 orange-red, smooth, or obscurely ribbed. Llanelays, 

 Glamorgan, described from 7 specimens. 



b. forma nov. albogrisea. In shape and size like f. 



aureola, but in colour like f. albogrisea, Ckll. (Zoo- 

 logist, 1887, p. 115) of var. jugosa, found in Co. 

 Kerry, Ireland. Llanelays, Glamorgan, described 

 from 12 specimens. 



c. forma wov. producta. I5|— 16 mill. long. \1\-\2\ mill. 



broad, spire produced, mouth elbowed above, colour 

 pale yellowish or greyish, thick, smooth. Llanelays, 

 Glamorgan, described from 10 specimens. 

 (2) Phasianella pidlus, L., all from Pembroke. 



a. forma bicolor, Monterosato. With alternate transverse 



broad bands of white and red. A Mediterranean 

 colour- variety, now first recorded as British. 



b. forma ziczac, Cockerell. Nat. World. 1885, p. 218. 



White, with zigzag pink lines. Previously only re- 

 corded from Guernsey. Monterosato's variety zigzag, 

 from the Mediterranean, is similar, except that the 

 lines are black. 



c. {orma. millepunctata. Cockerel]. Zoologist, 1887, p". i^^- 



Previously only recorded from Ireland. 



d. a form with the markings pale brown instead of pink. 



e. various forms, more or less typical, with no special 



well-defined varietal characters." 

 Mr. T. R. Billups read a paper on, and exhibited specimens 

 of, Hymenopterous and Dipterous parasites bred by members 

 of the Society during 1889-90. 



MARCH 2eth, 1 89 1. 



W. H. TUGWELL, Esq., Ph.C, President, in the Chair. 



Mr. P. F. Skinner was elected a member. 



Mr. C. Fenn exhibited TcEuiocampa incerta, Hufn., bred 

 from ova obtained at Lee, and read the following note. 

 " These forms are mostly of very pale grey or brown tints, 

 varied and banded with dark grey and purplish, and show a 

 remarkable tendency towards the form of the parent ? also 

 exhibited. Out of a number of nearly 100 imagines bred 

 from the batch of ova, at least two-thirds follow the type of 

 the parent ? . As an incident I may say that the receptacle 

 in which the pupae were contained was exposed to the intense 

 frost of last winter, and the moths emerged within a fortnight 



