342 APPENDIX. 



which contains the tube for receiving nourishment, 

 having no air-bladder. Fourthly, a small Beroe, 

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

 very small Porpita. 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 anceps,} 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 Phanaus. 

 Seventhly, an animal belonging to the class Arthro- 

 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 lino in length, with a 

 projection from the globular part of the body. 

 Ninthly, a second variety of Appendicularia, described 

 by my friend and companion, on board the Rurik, 

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

 ActaAcad. 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 Panopyra Per. Lastly, a 

 new kind of Cesium, 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 (Agalma 

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

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



