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Proceedings of the Royal Physical Society. 



North Seas, the crew took a female Narwhal having a tooth 

 in the upper jaw, perfect, and in every respect like that of 

 the male, though not so long. The sex of the animal was 

 satisfactorily ascertained in cutting up, when two foetuses 

 were taken out of it. Mr Brown was acquainted with similar 

 instances of the " horn" being protruded in the female Nar- 

 whal ; and though it is said to have been seen with two 

 young following it, yet the instances mentioned were the 

 only ones with which he was acquainted, in which the subject 

 had been brought to an experimentum cruris. In all likeli- 

 hood, the Cetacea in this respect follow the same laws as 

 the other Mammalia, though our opportunities for observing 

 the former were much more limited ; and hence the value 

 of every fact, however apparently trifling, being put on 

 record. 



Mr W. S. Young proposed a vote of thanks to the Presi- 

 dents and other office-bearers, which was unanimously 

 agreed to, and the Society adjourned until the commence- 

 ment of the next Session. 



