FOOT — ON GOITRE IN ANIMALS. 31 



observations could be made upon the sex of the animals affected with 

 goitre, with the view of ascertaining if the complaint shows the same 

 preference for the female sex it has been remarked to do in the human 

 race, 90 per cent, of cases of goitre occurring in women. The litera- 

 ture of goitre in animals is at present scanty and scattered. I have 

 mentioned the animals in which the disease has been noticed, as far as 

 I have at present been able to ascertain — lion, hyena, racoon, monkey, 

 dog, cat, pig, horse, mule, cow, sheep, goat, and mouse — and have 

 alluded to the principal geological conditions which have been alleged 

 as concerned in its production ; and I venture to express a hope, that 

 the members of the Society may become sufficiently interested in the 

 subject, and consider it of sufficient importance to record any instances 

 which have already come or may hereafter come under their observa- 

 tion. 



Dr. Macalister read a paper " On the Comparative Anatomy of the 

 Sartorius muscle," with especial reference to its homotypical anatomy. 

 This muscle is supposed by Professor Huxley to represent one of the 

 heads of the biceps flexor cubiti ; but this view is inconsistent with its 

 relationship to the extensor muscles, to the second joint of the limb, 

 and to the iliacus muscle. The varieties of the sartorius met with in 

 the Nyl Ghaie and Ai indicate the relationship of this muscle to the 

 iliacus ; so if this latter muscle be the homotype of the sub-scapularis, 

 the sartorius will correspond to the tricipiti accessorius or dorsi-epi- 

 trochleos muscle. 



Dr. Foot exhibited specimens of the following species of dragon- 

 flies, which he had collected during the past summer in the county 

 "Wicklow, and made some observations upon the means of preserving 

 these insects : — 



Libellula striolata. 



,, quadrimaculata. 

 „ coerulescens. 

 Calypteryx virgo. 



„ splendens. 



Agrion elegans. 

 ,, minium. 

 ,, puella. 

 ,, cyathigerum. 

 ^Eschna pratensis. 

 , ; juncea. 

 „ grandis. 



Lestes nympha. 



