272 



graphs or zincographs) should be by Messrs. Sowerby and Ingall, and 

 the colouring by Mr. Joseph Standish. In this way a work would be 

 produced that no other nation on earth could equal. 



Edwakd Newman. 



Art. LXX. — Analytical Notice of the ' Transactions of the Entomo- 

 logical Society of London^'' Vol. III. part 1 ; with 6 plates. 

 London : Longman. 184L 



I . Dytiscida Darwinians ; or Descriptions of the Species of Dytiscidce collected hy 

 Charles Darivin, Esq. M.A. Sec. G.S., in South America and Australia, during 

 his Voyage in H.M.S. Beagle. By Charles C. Babington, M.A. F.L.S. G.S. 

 &c. 



1. Cyhister hiungulatus. Olive-black, the anterior part of the head, 

 the sides of the prothorax and elytra being rufous : elytra dilated pos- 

 teriorly, and having three rows of distant punctures on each : fore and 

 naiddle legs rufous, very short ; hind legs brown ; all the tarsi with 

 two claws. Length 12 — 14 lines, breadth 7 — 8|^ lines. Brought by 

 Mr. Darwin fi-om Maldonado. (Trans. Ent. Soc. iii. 3.) 



2. Colymheies reticulatus. Oblong-ovate, yellow above : vertex 

 black : prothorax black before and behind : elytra yellow reticulated 

 with black lines : body beneath black : legs yellow, except the hind 

 tarsi, which are black. Length 5 lines, breadth 2|- lines. Valparaiso. 

 (Id. 4.) 



3. Colymbetes nigro-reinatiis. Differs from the last in having the 

 prothorax marked with two minute black spots on the hinder margin, 

 instead of distinct black margins, and also in having the abdomen yel- 

 low. Length 4^ lines, breadth '2\. One specimen is from Port Fa- 

 mine, a second from Port Desire. (Id. 5.) 



4. Colymbetes Chiliensis. Laporte, 'Etudes Ent.' 100? Valparaiso. 



5. Colymbetes suturaiis. Oblong-ovate: vertex black, including 

 two transverse yellow spots; antennsB yellow: prothorax yellow, with 

 a black posterior margin : elytra yellow, thickly covered with minute 

 black spots, excepting on the lateral and sutural margins : body be- 

 neath black : legs dull yellow, the hinder pair darker. Length 5 lines, 

 breadth 2^ lines. Valparaiso. (Id. 6.) 



6. Colymbetes angusticollis. Curtis, ' Linn. Trans.' xviii. 195, tab. 

 XV. fig. E. Port St. Julians. 



7. Colymbetes rotundicollis. Above brown, beneath black : sides 

 of the prothorax rounded. Ijength 4 lines, breadth 2 lines. Alpine 

 situations in Tierra del Fucgo. (Id. 7.) 



