62 ENTOMOLOGICAL NEWS. [April. 



The Zweite Abtheilung of Dr. Arnold Land's I.ehrbnch der \Vrgleich- 

 enden Anatomic i Text-book of Comparative Anatomy;. Jena, iSXy, con- 

 tains that portion of the work treating of the Insecta. Ac. onlin- to the 

 classification here adopted the Insecta i I It'.vapoda are divided inti ->i\t-en 

 orders. Dr. Lang successively treats of the External Organization, Inte-u- 

 ment, Musculature, Alimentary Canal, Nervous System, Sense < irgaiis. 

 Circulatory System, Fat Bodies, Respiratory System, Sound-producing 

 Apparatus, Sexual Organs, Dimorphism and Polymorphism, Development 

 and Life-history, and Phylogeny of lns<-< ts. A bibliography of important 

 \vorks on the anatomy, development, etc., of insects completes this, section. 



ZOOLOGISCHER ANZEIGER for January, iSgo, No. 326, contains " EnrtluT 

 observations on the Dorsal Gland in the Abdomen of I'criplaueta and its 

 allies," by Kd\v. A. Mmchin. " Note on the Sexual Apertures of the 

 Lepidoptern Chrysalis," by W . Hatchett |ackson. Note on H. T. Fer- 

 nald's paper entitled, "External Sexual Markings of Pupae." 



" Butterflies of North America," by W. H. Edwards, third series, part 

 9, contains figures and descriptions of Arg. nevadensis $, A. halcyonc . . 

 Life-history* of Arg. aphrodite, Satyms pcgala, Sal. alopc var., Ercbia 

 cpipsodca, figures and life-history, also figure of epipsodea var. Jimcci. 



ENTOMOLOGIST'S MONTHLY MAGA/INH, February, 1890, " (/</<<// /<? 

 portlandicclla n. sp." by X. M. Richardson. " Ncpticula auromarginetta 

 n. sp." by N. M. Richardson. " Description of the Micropteiy.v of the 

 hazel (M. h'altenhailrii'}" by H. T. Stainton. " Notes on Dr. Jordan's 

 observations on Norwegian Lepidoptera," by \\'. M. Schoyen. "On the 

 Coleoptera found in a small mossy bank at Knowle, Warwickshire," by 

 \V. <i. Blatch. " Notes on the metamorphoses of two species of the genus 

 Tinodes" by Kenneth |. Morton. "Observations on Coccidce," by Al- 

 bert C. T. Morgan. Diaspis zainiu- n. s|). described. " Descri|>tions of 

 new species of South American HalticicUe of the group CEJi/>otft's." by 

 Martin jacoby. 



A.Mi'.i<ic.\N NATTKAI.IST, January, 1^90, " Rectal Glands in Coleoptera," 

 by H. T. Fernald. 



Oiaeries and Ans\vers. 



I 1 . C. 'I'KfMA.N writes, " will yon kindlx gi\e me a little aid through the 

 NKUS. Some of my set specimens of bntterllies and moths show spots, 

 which have seemed to slowly spread. These spots are darker than the 

 balance of the wing, and they look shiny and oily. What is the matter, 

 and what is the n-medy?" -The disfigurement is due to oil being ab- 

 sorbed by capillary attraction into the \\ in-s from the bod\ . Why some 

 spc-cimens grease and others do not is probably not known. Take a turn- 



