36 Ins. 
1NSECTA. 
538. Lewis, R. T. On the stridulating organs of Cystoccelia immaculata. 
J. Quek. Club (2) iv, pp. 243-245, pi. xiv. [Orthoptera.] 
Summary in J. R. Micr. Soc. 1891, p. 184. 
539. Leydig, F. Intra- und interzellulare Giinge. Biol. Oentralbl. x, 
pp. 392-396. 
Includes a paragraph as to the crepitation of Agonum. '[ , 
540. . Zu den Begattungszeichen der Insekten. Arb. Inst. Wiirzb. 
x, pp. 37-55. \Coleoptera.\ 
Relates chiefly to the substance sometimes found at the extremity of 
the body of female examples of the species of Dytiscus. 
541. Linden, M. Aus dem Insektenleben. Zool. Anz. xi, pp. 71-73. 
[NeuropteraJ) 
542. Lintner, J. A . Sixth Report of the injurious and other Insects of 
the State of New York. Albany : 1890. (From the 43rd Report of 
the New York State Museum of Natural History.) 
Chiefly occupied with notices of *well-known injurious and beneficial 
insects. 
543. Lopez, C. A proposito di alcuui Coleotteri anormali. Riv. Ital. Sci. 
Nat. xi, pp. 22-26. 
544. Lowne, B. T. Anatomy, Physiology, Morphology, and Develop- 
ment of the Blow-fly. Part II, pp. 99-214. [ Dipiera .] 
545. Lucas, P. T. Butterflies and Moths. Descriptions of two new 
Butterflies and nine new Sphingidte or Hawk-moths found iu Queens- 
land. Published by the author at Brisbane, 20th April, 1891, and in 
Queenslander, 2nd & 9th May, 1891. 
546. Lucioek, 0. Two new Lepidopteruus borers. Psyche, vi, pp. 108 
& 109, pJ. iii. 
547. Lund, C. W. Bembex rostruta , dens Liv og Instinkter. Ent* 
Med. iii, pp. 19-43. [ Hymenoptera .] 
548. Lundbeck, W. Notitser om Gronlands entomologiske Fauna. 
T. c. pp. 45-52. 
549. Mabille, P. Description d ' Hesperides nouvelles. C.R. Ent. 
Belg. xxxv, pp. lix-lxxxviii, cvi-cxxi, & clxviii-clxxxvii. [ Lepi - 
doptem . ] 
550. . Cyligramma amblyops , n. sp. Bull. Soc. Ent. Fr. 1891, p. xc. 
[Lepidoptera] 
551. . Nolera melanthiato, n. sp. T. c. p. cxxvii. [ Lepidoptera .] 
552. . Descriptions de deux Lepidopteres nouveaux. T. c. p. clxxiv. 
f>53. . Note synonyinique et descriptions. T. c. pp. clxxxii-clxxxv. 
[ Lepidoptera .] 
554. MAi.ii.iiE, P., & Vuiu.ot. No v i ta tes Lep'ulop Uiro hgicw. Fasc. 3-6. 
Paris: 1891, pp. 1 7—48, pis. iii-vii. 
