23 



Mr. Kirby's Entomological and other scientific publications, of which a complete 

 list has been kindly supplied by J. O. Westwood, Esq., are as under : — 



1. 'Descriptions of Three New Species of Hirudo, with a Note by G. Shaw.' 



Linn. Trans, ii. p. 316, 1793. 



2. ' A History of Three Species of Cassida.' Linn. Trans, iii. pp. 7 — 11. Read 



January 7th, 1794. 



In this memoir, the necessity for investigating the preparatory stages of each par- 

 ticular insect in order to form a complete system of Entomology is insisted upon ; the 

 general characters of the larva and pupa of the genus Cassida are described, as well 

 as the three states of the three following species: — 1. C . liriophora, K. = C. Vibex, 

 Linn., the larva of which feeds on Serratula arvensis. 2. C. viridis, K. ==C. eques- 

 tris, Fab., the larva of which feeds on the same plaut. 3. C. maculata, K., Linn. = 

 C. Murraea, var. Linn., the larva of which feeds on Inula dysenterica. 



3. ' Letter to Mr. Marsham, containing observations on the Insects that infested 



the Corn in the year 1795.' Linn. Trans, iii. pp. 246 — 249. 



In this letter, Mr. Kirby notices and describes the different states of several species 

 of Thrips found by him on the wheat, as well as the citron-coloured larva (subse- 

 quently found to be that) of Cecidomyia Tritici. 



4. ' Ammophila, a new Genus of Insects in the class Hymenoptera, including 



the Sphex [sabulosa of Linnaeus.' Linn. Trans, iv. pp.195 — 212. Read 

 December 5th, 1797. 



The examination of the parts of the mouth and especially of the tongue and the 

 valves which inclose it (or speaking in modern terms, the labium, its laciniae and 

 the terminal lobes of the maxilla), led Mr. Kirby to separate the Sphex sabulosa and 

 its immediate allies from the other Linnean Spheges ; the former of which, on account 

 of the structure of these parts of the mouth, Mr. Kirby says that he would place be- 

 tween Vespa and Apis. He follows Linnaeus and Fabricius in giving in detail the 

 character naturalis, as well as the more concise character essentialis of the genus, which 

 is followed by a synopsis specierum, and full descriptions with synonyms of 1. A. vul- 

 garis = Sphex sabulosa, Linn. 2. A. affinis, n. sp. 3. A. hirsuta, Scop. = arenaria, 

 Fab. 4. A. argentea, n. sp. = hirsuta, male. It is remarkable, that notwithstanding 

 the care with which the characters of these insects were examined, the author should 

 have had no idea of the sexual distinctions afforded by the number of joints of the 

 antennae, or the structure of the fore-legs, and that the arrangement of the veins of 

 the wings should have been overlooked, although Harris had previously employed 

 this character in his work on ' English Insects.' The paper is accompanied by a plate 

 executed by the author himself, containing figures of the details of the characters of 

 Ammophila and the allied genera. 



5. ' History of Tipula Tritici and Ichneumon Tipulae, with some observations 



upon other Insects that attend the wheat,' in a Letter to Thomas Marsham, 

 Esq., Sec. Linn. Soc, Linn. Trans, iv. pp. 230 — 239. Read February 

 6th, 1798. 



In this paper the natural history of the minute but very destructive Cecidomyia 



