COCCID^, PEDICULINA. 473 
a continuation of his memoir on the insects composing this family, and 
describes the following new genera and species ; — 
Targionia, g. n., p. 105. Allied to Amidia. Sp. T. nigra, sp. n., Sign. I, o. 
p. 106. 
Planchonia, g. n., p. 282. Allied to Lecaniodiaspis, &c. 
Mytilaspis Jims, sp. n., p. 94. 
SiGNORET, 1. c. (Stance 13 April, pp. 27, 28), communicates a paper en- 
titled “ Remarques sur quelques recherches entomologiques faites aux envi- 
rons de Cannes en Mars 1870,” in which he mentions certain trees and plants 
and the species of Coccidoe by which they are infested. 
Pediculina. 
Grimm (Bull. Peters, t. xiv. pp. 513-617), publishes an interesting 
paper on the embryology of Phthirius pubis, and illustrates its various 
stages of development, from the time of the egg being deposited to that of 
the fully developed embryo. 
2 I 
1870. [voL. VII.] 
