126 Memoirs of the Indian Museum. [Vol. VII, 



specialized, which have rarely survived except where they have been able to establish 

 themselves behind some obstacle to migration. 



The fauna of Celebes, though related to the Oriental fauna, is very distinct from it, and 

 contains a large proportion of endemic species and one endemic genus (p. 123). 



The genera Macrolinus and Pleurarius are Oriental. The former genus has produced 

 local races in Celebes and in each of the areas into which the Oriental Region proper has been 

 divided above, with the single exception of the Indian Peninsula where it is replaced by the 

 latter genus (pp. 1 20-1 21). 



The Leptaulacinae appear to be centred in the Malayan Subregion and to be undergoing 

 rapid development and expansion (p. 123). 



The Aulacocyclinae appear to be a very highly specialized subfamily, now on the 

 decline. The genera Ceracwpes and Cylindrocaulus appear to be the senile representatives 

 of an old group, in some respects more primitive than the forms at present dominant in the 

 subfamily. They are only found towards and beyond the limits of distribution of the rest 

 of the subfamily (p. 120). 



The Solenocyclinae appear to be peculiar to the Ethiopian Region, and the Pseuda- 

 canthinae, Proculinae and Passalinae to America. The information at present available 

 as to their distribution is much less complete than is that available concerning Indo- 

 Australian forms (pp. 5 & 124). 



BIBLIOGRAPHY. 



Papers marked with an asterisk (*) are not available in Calcutta. 

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 1792. Fabricius, J. C. Entomologia Systematica emenda et aucta. I, 2 (Hafniae, 



1892), pp. 240-1. 



* 1800. Erichson in Wiedemann Archiv für Zool. u. Zoot. I (1800). 



* 1800. Illiger, K. ' Vierzig neue Insecten aus der Hellwigischen Sammlung in Braun- 



schweig." Wiedemann Archiv für Zool. u. Zoot. (Berlin and Brunswick 1800) 



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 Unis, fendant 1786-1797. Pts. 1-15 (Paris, 1805-1821). 



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* 1819. Drapiez. Ann. Gen. Sei. Phys. Brux. I, p. 50, pi. iv, fig. 4. 



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