igoi] ENTOMOLOGICAL NEWS. 305 Tkyridopteryx ephmerceformis. The count exceeded the expec-tations of myself, for I have seen stated by entomologists that on an average the eggs were between four and five hundred ; but if twenty cocoons are enough to obtain an average from, the number will be between nine and ten hundred. Only two counts were below five hundred, nine being in the thousands, and the rest in the range of seven to nine hundred. The fol-lowing is an extract from my note book : Variation in the Venation of Amalopis inconstans Osten Sacken. BY C. W. JOHNSON. The variation in the venation of this species is very remark-able. Variations here exist which, if constant, would consti-tute excellent generic characters ; but there are apparently all gradations between the two extremes. From the typical form (fig. 2 ) there is a tendency on the one hand for the number of cross-veins to diminish, and on the other hand to greatly