TITLES. 
Ins. 37 
555. Macoillivray, A. D. A Catalogue of the Thysanoura of North 
America. Canad. Ent. xxiii, pp. 267-276. 
556. MacLachlan, R. An Asiatic Psychopsis. Ent. M. M. (2) ii, p. 320. 
[Neuroptera .] 
557. . Descriptions of new species of holophthalmous AscalapJiidce. 
Tr. E. Soc. 1891, pp. 509-515. [ Neuroptera .] 
558. McNeill, J. A list of the Orthoptera of Illinois. Psyche, vi, 
pp. 3, 21, 62 & 73. 
559. Mally, F. W. The Boll Worm of cotton. A report of progress 
in a supplementary investigation of this insect. Bull. Dep. Agric. 
Ent. No. 24, 50 pp. [Lepidoptera.] 
560. Marey, M. Le vol des insectes etudi£ par la photochronographie. 
C.R. cxiii, pp. 15-18. 
Images obtained by of a second of exposure. 
561. Marlatt, C. L. The final molting of Tenthredinid larvce. P. E. 
Soc. Wash, ii, pp. 115-117. [ Jfymcnoptera .] 
562. . Notes on the genus Metopius , with description of a new 
species and table of species. T. c. pp. 101-105. [ Hymcnoptera .] 
563. . The Xanthium Trypeta. T. c. pp. 40-42. [Diptera.] 
. [See also Riley & Marlatt (727).] 
564. Marshall, T. A. A monograph of British Braconidw. Pt. iv. 
Tr. E. Soc. 1891, pp. 7-61, pi. ii. [Hymenoptera.] 
Devoted to the group Opiides. 
. [See also Andre (13).] 
565. Martens, v. t)ber die Drehungsrichtung der schneckenformigen 
Gehiiuse von Insekten-larven. SB. Ges. Naturf. Berl. 1891, pp. 79- 
85. [ Lepkloptera , Neuroptera.'] 
Summary in J. R. Micr. Soc. 1892, p. 202. 
566. Maskell, W. M. Descriptions of new Coccidce. Iud. Mus. Notes, 
ii, pp. 59-62, pi. i. 
567. . Further Coccid notes ; with descriptions of new species from 
New Zealand, Australia, and Fiji. Tr. N. Z. Inst, xxiii, pp. 1-36, 
pis. i-vii. 
568. . Description of a new Scale-Insect infesting Grass. Agric. 
Gaz. N.S.W. ii, pp. 352 & 353. [Coccid a.] 
569. Matiiew, G. F. Effect of change of climate upon the emergence 
of certain species of Lepidoptcra. Tr. E. Soc. 1891, pp. 503-507. 
Mayer, P. [See Giesrrecht & Mayer (328).] 
570. ^Maynard, C. J. Manual of North American Butterflies. 1891 : 
8vo, 10 pis. and figs. 
Cf. Zool. Anz. xv, Lit., p. 70. • „ 
