yiiscellaneous. 2<i'"i 



operation, hut no indication of the regeneration of the lin ]Jrous 

 senet came to the name conclusion ; and the author considers t at ^ 



at l.^t H ", '' '"""'' ^"^'- '''''' "'^'^^^ '^ vortehrate aSm J 

 at least, that wIkmi an organ is entirely removed, it can never 



pp ^^"l.^^'^-^^'^'^ ii--l-^, March 15, 1809, tome Ix^" 



Descnptions of two new Species of Uymenoptem from the 



Ar;/entine Republic. By J. C. Puls. 



Melipona mohsta. 



Black shining, entirely covered with white hairs Antemue black 



with their extremty and the lower part of the first jtn wit h' 



Ilead black, shining, covered with white hairs. ThoralhhS^ 



shming, the hairs white; prothorax bordered by a yello vSh-white' 



hne; mesohorax having a similar line above he user on of to 



wings ; metathorax having a point of the same colour on oTchsid^ 



6 u^c7/«»^ mfenorly bordered by a line of the same colour. Mdlmen 



black, shmmg, covered with white hairs. Leys black ; tarsi brown 



Z> S ; ;"r ' '""'"^ r"r ("^^^^'^^- I--gth 4 millimc'rel 

 Hab. San Luis, in woods of small trees. It is very troublesome 

 like the flies. December (Strobel). ^ tiouuicsomc 



Odynerus albocinctm. 

 Black, thorax very villose; abdomen velvety, sliininL- first sei> 

 l"S rrth thff ''""t' f'^'V -t-- -d naa^diE ref^ 

 i'mSfi^res. ''"'" ''"='• ^^^^'^ ' miUimetres; expanse' 

 ? . Clypeus pyriform, with a strong emargination, forming- two tri 

 angular teeth, punctured. Antennce entirely ?ed ; ma^dibks nairand 

 abrum red. Head and thom.v covered with long c^osfhairs mot^ 



lon^^r h^t; firlt'^'"^'^ ^^ack, velvety, shiSig::pr'::S.;i^tt1: 

 longer nairs the first segment bordered by a thin yellowish- whifo 



with the extremity violet; scale black. Leys red, with all the 

 leniora black, except on their anterior part. 



Ihis IS the only species that might be confounded with Odunerus 

 Ant^u^a, bauss. (in Gay s ' Cliili '), as having the first segment of he 

 abdomen yellowish white; but it differs thtrefrom by its black cv 

 peus, scales, and femora. ^ ^^^ 



Hah. Near a spring, Portezuelo de Bonilla, in the Sierra de Us- 

 pdla a, m the province of Mendoza. January {StrobeI)"-^lu! deUa 

 Soaeta Italunuc dr Sd. Nat. vol. xi. pp. 257 I 258, Oct!>ber ] 808! 



Habits of the Medusce. By Dr. J. E. Gray. 

 Mr. M'Andrew informs me that he often saw the Sea-ieUies ( Me- 

 dusa cequorea, Forskal, Fauna ^Egyptiaca, n. 28. t. '42) UhTon th. 

 backs at the bottom of the beautiful clear water of thriLdv/ 



