71 



6shes have abounded in countless myriads, in a manner 

 never remembered by fishermen, AH of them were of 

 about one size, 14 or 15 inches in length. They kept at the 

 surface over a depth of 20 or 30 fathoms, and were much 

 preyed on by other fishes. I was much amused by the 

 actions of one that had been left in a deep pool by the re- 

 ceding tide ; which actions are descriptive of the mode by 

 which they contrive to suspend themselves at the surface. 

 It laid hold, by its tail, of a piece of loose and slender sea- 

 weed, somewhat lighter than the specific gravity of its own 

 body ; and assuming the attitude corresponding to that re- 

 presented in the vignette to Mr. Yarrell's account of the 

 Hippocampi, it steered the seaweed about at pleasure, by 

 the action of its dorsal-fin ; the posterior portion of its body 

 bein°: twisted round the weed, the anterior erect and free. 

 SPINOUS SHARK. Squalus Spinosus. Yar. Brit. P. 

 Sup., p. 54. 



Of stalk eyed Crustaceans the Cornish Fauna reports 67 

 species; to which one or two more will be added, when their 

 synonyms are placed beyond doubt. It may be proper to 

 remark, that Platyonichus Plicatus (M. Edwards' Crust., 

 vol. 1, p. 442,) has been confounded with the small specimens 

 of more than one kindred species ; from which it is not easily 

 distinguished, except by comparing them together. In 

 habits however, it differs considerably ; living in deep water 

 on the surface of which it swims in pursuit of prey. In 

 this respect it imitates the Nipper Crab (Polybius Ben- 

 slowii) ; and though so much less in size, with scarcely less 

 powers. 



Of Testaceous Mollusks an enumeration is given in the 

 second part of the Cornish Fauna, and it is probable that 

 further research will bring to light many hitherto unknown 

 species. The following additions and remarks are added by 

 way of supplement to the preceeding account of the shells : 

 SERPULA FILOGRANA. This curious mass of inter- 

 woven tubes might readily be mistaken for a coral of the 

 Genus Tubulipora ; but that the animal is of the class which 

 forms the tubes of the Serpulacese, has been shown in the 

 Zoological Journal, by Mr. Berkely. The shells are 

 closely and somewhat regularly interwoven, maBy thou- 

 sands together, forming a mass with many crevices and 

 meshes : the progress of the growth of which must afford 

 an interesting subject of enquiry. My only specimen was 

 thrown on shore in St. Austle-bay. 

 VERMILIA CORONATA. Length less than an inch, of 

 the size of a small pin ; about a fourth of the length erect, 

 round ; the orifice having fixed on it a coronet having six 

 prominent equal sized teeth, placed at regular intervals, 

 and diverging straight from the rim. Colour pale yellow. 



