TITLES. 
Ins. 69 
ing pp. 1-32, and 10 plates; this includes a history of the classification, 
and an account of Wallace’s geographical regions ; its plates are devoted 
to venation, and a few other generic characters. 
G83. Stefani, T. de. Raccolte imenotterologiche sui monti di Renda e 
loro adjacenze. Nat. Sicil. v, pp. 112, 138, 168, & 181. [ Hymeno - 
ptera . ] 
A list of 208 species throughout the order, with observations and 
descriptions of a few new species. 
684. Stein, R. R. V. Tenthredinologische Studien. x Zur Kenntniss 
der Gattung Allantus. Ent. Nachr. xii, pp. 3-9. XI Die Gattung 
Cladiits, 111. T. c. pp. 22-29 & 33-40. [ Hymenoptera .] 
Completes description of A. disting uendus, with a new variety thereof ; 
and discusses the synonymy, &c., of 2 species of Cladius. 
685. . Neue Afterraupen. Wien. ent. Z. v, pp. 141-151. [ Hymeno - 
ptera.] 
686. St. George, V. von v. la. Spermatologische beitrage. Arch, 
mikr. Anat. xxvii, pp. 1-12, xxviii, pp. 1—14. 
The first of these relates to Blatta germanica , the'secOnd to Coleoptera. 
[For Summary, vide J. R. Micr. Soc. (2) vi, pp. 590 & 591, and 1887, 
P* 70.] 
687. Stierlin, G. Beschreibung neuer Riisselkafer-Arten. MT. schw. 
ent. Ges. vii, pp. 226-230. [ Coleoptera .] 
10 new species from the Mediterranean region. 
688. . Beschreibung einiger neuer Russelkafer. T. c. pp. 282-286. 
[ Coleoptera .] 
7 new species from Europe. 
689. . Coleoptera Helvetia. Schauffhausen. 
This is the commencement of an analytical work for the determination 
of the Coleoptera of Switzerland. It is issued in connection with M.T. 
schw. ent. Ges., but with separate pagination. The part issued is 
pp. 1-32 of vol. ii, Sternoxi. 
690. Stuhlmann, F. Die reifung des Arthropodeneies nach Beobacht- 
ungen an Insekten, Spinueu, Myriapoden, und Peripatus. Ber. Ges. 
Freib. i, pp. 101-228, pis. v-x. 
This commences with a summary of the subject, and then gives his 
own observations on the formation of the egg of many insects of most 
of tho orders.' The memoir is chiefly occupied with Insects, the obser- 
vations on other classes being fow, and undertaken merely for comparison. 
It concludes with a bibliographical list of 183 memoirs on the subject. 
[Summary in J. R. Micr. Soc. (2) vi, p. 961.] 
691. . Die Reifung des Arthropodeneies. Biol. Centralbl. vi, 
pp. 397-402. 
A summary of the preceding paper in Ber. Ges. Freib. l. 
