BRITISH EXTOMOSTRACA. 



Genus 2 CANTHOCAMPTUS.* 



HoNOCULUS, Linnieus, Fabricius, J urine, &c> 



CYCLOPS, Mi'Ui'f, Rumilnkr, Lati-fillc, Desmarest, &c. 



CYCLOPSIXA (pan], .'/. /;''///v//v/\. 



CANTIKXAMHS, n~rxtir<, (J, Partington's Cyclop. Nat. Hist. art. Cyclops; 



The Entomologist's Text-Book, 115. 



CANTHOCARPUS (icrongly quoted}, Baird, Trans. Berw. Nat. Club, i, 97, 



and ii, 15 1 ; .Mag. /ool. and Bot., i, 326. 



HARPACTICUS (pars), Dana, Proc. Aoicr. Acad. Arts and Sc., 1S-17. 

 N AUPLIUS, riiilipiii, Ann. Mag. Nat. Hist., 1810 ; Wiegin. Archiv, 18-i3. 



Character. Foot-jaws small, simple. Antennules 

 simple. Ovary single, f 



1. CANTHOCAMPTUS MINUTUS. Tab. XXV, figs. 4-8; 



XXX, fig. 3. 



CYCLOPS MINUTUS, Miille,; Zool. Dan. Prod., No. 24-09, 1776; 



Eutomostraca, 101, t. 17, f. 1-7. 

 Ramdohr, Bcyt. zur Naturg., 10-13, t. 3, f. 1-9. 

 LntrrUlc, Hist. Nat. Crust., iv. 265. 

 Base, Mem. Hist. Nat. Crust., ii, 257. 

 l.,n,iii,-i-k, Hist. An. s. Vert., v, ISO. 



* From ciKavQa, a spine ; and K/< --or, flexible. 



f M. Eduanls includes the Cyclops m/iii'inx of Midler in his genus 

 Cyclopsina. The anteimules, however, are not branelicd ibinmu'rs) as they 

 arc in Ci/rlnps Citxtor, which is the character upon which the genus C\rl<ip- 

 sina is i'oiinded ; and ihcn-tnrc it nnijst I'orm a separate gi'iius. The name 

 CiiittliiK-tiin/ittix was proposed fur it \>\ .Mr. Westwoodj MHIIC \iars a^o, from 

 Hie llexilile. Imrnv appeiidatre attaehed to the abdomen of the female. In 

 I'artinglon's Cyeli.pa'dia, art. Cvelops, and in the 'Entomologist's Text- 

 Book,' this genus is indicated by Mr. \\YM\vood, but misprinted Caiitho- 

 runijiu* ; and it was farther misnamed by myself (ipiotin^ it from memory) 

 in the 'Trans. Ber\v. Nat. Club,' i, r,//,///,Y//y^/\ . re|iriHlneed au'ain in liie 

 'Mat;, '/oul. and Hotaiiy,' and in the second vol. of the ' Uervv. ( 'lub Trans.' 

 riiili])pi, in the Arehi\, uf \\ie-inannand Kriehsen for Is 13, eoiiiirm.s my 

 \alinns upon the structure of the auteiiiiules, and the propriety of 

 separating the species from the u'enus ('i/r!<, /,.</,/,> of Edwards. Jle forms nf 

 it, and some other species allied In it, the L'vnns .\,//i/ l li/ifi. As that name 

 was used b\ Midler for the young uf the Lrenus ( '\eliips, and as the genus 

 din/In,,;!,,!!,/!"* \\as shortly characterised by .Mr. \\cM\\ood in the work 

 quoted above as eai'K as 1 ^'.\l\, I ha\ei;i\eu the preference to Mr. \\cst- 

 w I's appellation, as having the jiriority in date. 1'liilippi, monover, in- 

 cludes the veniis Harpacticus vn his Navplivt. 



