Series Plectognathi 625 
lepis hispidus and Ceratacanthus schepfi are common species. 
In the West Indies are numerous others, Osbeckia levis and 
Woods Hole, Mass. 
Alutera guntheriana, largest in size, among the commonest. Both 
of these are large fishes without ventral spine. Monacanthus 
‘chinensis, with a great, drooping dewlap of skin behind the 
Fic. 516.—The Needle-bearing File-fish, Amanses scopas of Samoa. 
ventral spine, is found on the coast of China. Of the numerous 
Japanese species, the most abundant and largest is Pseudomon- 
