I'LYlNG-nsiI. 



3i 



per I Kips, but not of propelling the animal in its 



mght* 



In fish, the organ of motion for propelling 

 tjiieija through the water is the tail, and the fins 

 dir^t tiielrxsmirse; mbiM*, ©ntlie contrary, the 

 wings are tile organs of motion, and tlio tail the 

 rudder. The only use of the extended pectoral 

 fins in the fisli is fur the purpose of supporting 

 the animal in the airj like a parachute, after it 

 }m itsp^ ftwm the water mme powiar, irfii^h 

 is ^€kSse$&ed In- fisli of muek larger size, even 

 tlie ^hale. From the stractnre of tlie fin, I 

 camiot consider it at all calculated for repeated 

 p^ussions out of the water, although while in 



tlmt SaM it 0iLlte# 1^ natuidl m&m 

 tnjiifesd, an ii^ $oo» &^ wkm hcm^i ittto mB.^ 

 tact with the air, and the delicacy the mem- 



hrane between the rays would very readily ]>e- 

 come injured, were the organ similarly exerted 



i:ihe gr&dt££t l^glh of time ihat I hnw mm. 



iltdSe volatile fish on the has been thirty 

 seconds by the watch, and their longest flight, 

 mentioned by Captain Hall, has been two liuii- 

 dred yards j but he thinks that subsequent ob- 

 servation im ex^mA^ ^ space. The smi^ 



* Abel's Vo^ag^ to>« ^ j&m^f itttid ^ mlecior of^ 

 CiiiJia. 4i<i. p. 6» 



