738 SIE J. LFBBOCK ON THE ANATOMY OF ANTS. 



Cfiromodoris BuUockii. Recruit Island, N. Pacific. 



aureopurpurea. Haitan Straits, China. 



tumulifera. China and Labuan. 



tenuis. Fiery-Cross Reef, China Sea. 



funerea. Labuan, Borneo. 



Alderi. North Formosa. 



Albania (n. gen.) formosa. Ke-lung Harbour, N. Formosa. 

 Triopa Principis-Wallice. Haitan Straits, China. 

 Trevelyanafelis. Island of Ponchou, Pescadores, China. 

 Doridopsis arborescens. Slut Island, coast of China. 

 Phyllidia spectabilis. Pulo Barundum, W. Borneo. 

 Freyeria variabilis. West coast of Borneo. 

 Bornella marmorata. Aden. 



On the Anatomy of .Ants*. By Sir John Lubbock, Bart., 

 M.P., F.E.S., F.L.S., D.C.L., LL.D., Vice- Chancellor of the 

 University of London. 



[Read February 6, 1879.] 

 (Abstract.) 



The anatomical researches forming this paper are, so to say, 

 an offshoot of the " Observations on the Habits of Ants, Bees, 

 and Wasps," already published at various times in the Society's 

 Journal. It is devoted principally to an exposition of their mus- 

 cular system, though other parts are discussed, and it is founded 

 on a series of microscopical sections and other preparations. In 

 the introductory remarks the opinions of various entomologists 

 and comparative anatomists are cited with reference to the thorax, 

 and its division into prothorax, mesothorax, and metathorax. The 

 author himself inclines to support Dr. Eatzeburg's views on the 

 subject, who has maintained that: the fifth segment of the larva 

 forms not the so-called " scale " or first abdominal segment, but 

 the hinder part of the thorax. The position of the spiracles in 

 ants is commented on as affording strong evidence in support of 

 this opinion. 



The internal chitinous appendages appear to divide the thorax 



vr^ * This memoir in full with suitable illustrations will appear hereafter in the 

 , iety's TransaetionB, the present notice merely glancing at some of the points 

 V -^in treated. 



