Vol. XXvi) PVT..MOLOGICAL NEWS. 283 



PHYSIOLOGY AND EMBRYOLOGY. Strindberg. H— Zur 



eifurchung dcr Hymcnoptcrcn nehst cinigrn damit zusamnienhan- 

 gendcn fragcn. tt, xlv. 24(MM>. Woolaey. C L— Linkage of chro- 

 mosomes correlated with reduction in numbers among the species 

 of a genus, also within a species of the Locustidae, IM, xxviii. 

 163-60. 



MEDICAL. KcUogc. V. L.— Spider poison. 4M^ i. 107-lS. 



ARACHNIDA. ETC. NutUll. G. H. P.— Observations on the 

 biology of Ixodidae; Artificial parthenogenesis in ticks. SM, vii, 

 408-56 : 457-61. 



NEUROPTERA, ETC PoMer ft Joim»— The life history and 

 haliit<( of the pear thrtps in California. Mi, Bui. 173. Lloyd, J. T. 

 — Notes on Ithytrichia confusa. 4, 1915. 117-21. Noycs. A. A.— 

 The provcntricithis of a Hydropsyche larva. IM, vii. 34>44. Peter- 

 ton, A. — Morphological studies on the head and mouth parts of 

 the Thy*anoptcra. IM. viii. MM6. QnM, G.— Anatomische unter- 

 surhungrn an Collembolen. 97, cxiii. 113-64. 



HEMIPTERA. Nanayaina, 8. — Notes on the life history and 

 habits of the rose scale. Aulacaspis rosae. IM, vii. 45-54. Stafford, 

 B. W. — Studies in Diaspinine pygidia. IMi viii. 67-73. 



Baker. A. C— The woolly apple aphis. M4, Of. Sccty.. RepL 101. 



LBPIDOPTBRA. Berry, a H— A list of the L. of Unn 

 County. Iowa. S4, xxi, 179-316. Bma, A. P.— Life histories of 

 N. A. Tineina. i, 1915. 104-8. Pellett. P. C— Butterflies of chance 

 occurrence in Cass County. Iowa. M. xxi. 347-8. Lfakbejr, A. W. — 

 The butterflies of Woodbury Comity. Iowa. M, xxi. 341-46. 



Bird, H. — New species and histories in Papaipema [1 new]. 4, 

 1915, lOV-115. Cloaa, A. — Neue aherrationrn au« der familie der 

 SphinKidar, 169, ix. 1. 



DIPTERA. Aldrich, J. M.— Kcsvits oi ;:3 yrar» coiircting in 

 Tachiniilac with notes on some common species. 190, viii. 79-84. 

 Alexander. C. P.— The biology of the N. A. crane flies. III. The 

 genus t'la. 199, vii. 1-9. Carpenter ft Hewitt— The reproductive 

 organs and the newly hatched larva of the warble-fly (Hypo- 

 derma). MM, xiv. 166-69. Contant, A. P.— The habits, life-history, 

 and structure of a blood-sucking muscid larva ( Protocalliphora 

 azurra), 490, i. l.t4-50. Davidson, W. M. — Occurrence of Humerus 

 (Syrphidac) in California. 4. 1U15. 134-5. H. A. B.— A fruit fly 

 atucking papaw fruit*. 909, xiv. 106. Hadwen, S. — Warble flies. 

 A further contribution on the biology of Hypoderma lineatum 

 and H. bovis, 994. vii. 331-8. Hewitt, T. R.— The brva and pupa- 



