gill] 



THE UMBRAS 



299 



curved when at rest, and remains so, the head being turned to the 

 right or left, and the tail in the opposite direction. No one can fail 

 to see the salamandrine appearance of this fish when it assumes such 

 a position." The use of the pectoral and ventrals in such a state of 



Fig. zT- — Various attitudes of Umbra. After life. 



rest has been also likened by Kathariner to that manifested by the 

 " salamandroid " or " sirenoidean " lungfish of Australia named 

 Neoccratodus. The pectorals, he declared, are completely turned 

 downward and perpendicular, and their ends, resting on the bottom, 

 in consequence of the weight of the body are twisted outward and 



