342 



APPENDfX. 



which contains the tube for receiving- nourishment, 

 having no air-bladder. Fourthly, a small Beroi 

 having the power of drawing in its fins. Fifthly, a 

 very small Por/;^V«. The sixth animal was a very 

 remarkable crab, the triangular shell on the back, 

 only two lines in length, provided with a spike from 

 eight to ten lines long, ( Lonchophorus ancepsj pro- 

 jecting both before and behind. Professor Ger- 

 mar has given to a species of beetle the name 

 Lonchophorus, but the same had already been de- 

 scribed by Mac Leay, under the name of PhancBus. 

 Seventhly, an animal belonging to the class Art/iro- 

 dice, (Arthronema N. ) the exterior consisting of stiff 

 tubes, in the interior of which is afterwards found a 

 skin, which eventually divides into separate parts. 

 Eighthly, a Clio, about a line in length, with a 

 projection from the globular part of the body. 

 Ninthly, a second variety o^ AppendiculariaA^scnhei^ 

 by my friend and companion, on board the Rurik, 

 A. von Chamisso, in the tenth volume of the N. 

 Acta Acad. Leop. Car., which proved to be a species 

 of Mollusca belonging to the Heteropodes of Lam- 

 arck. Tenthly, a Pelagia, scarcely, if at all, to be 

 distinguished from the Pampyra Per. Lastly, a 

 new kind of Cestum, C. Najadis N. 



In the thirty-fourth degree of latitude, renewed 

 calms again enabled us to add to our collection, 

 firstly, a new species of Physsophorides {Agahna 

 N.) ; secondly, a new Diphyes ; thirdly, a new Pe- 

 lagia, with a yellow skin on the belly, attached to 



