198 BRITISH ENTOMOSTR.U \ 



This family contains the following genera: 



1. CYCLOPS. Foot-jaws large and strong-branched; 

 antennules simple; ovaries double. 



2. CANTHOCAMPTUS. Foot-jaws small, simple; anten- 

 nnles simple ; ovary single. 



3. ARPACTICUS. Foot-jaws forming strong cheliform 

 hands; antennules simple; ovary single. 



4. ALTEUTHA. Foot-jaws small, simple ; body flat ; 

 two strong falciform appendages from fifth segment of 

 body. 



Genus 1 CYCLOPS.* 



CYCLOPS, MitHer, Lati-eillc, .Desman 1 *!, M . l-Iifirards, Koch, &c. 

 MOXOCULUS, Linnteus, Fubficius, J urine, &c. &c. 



Character. Foot-jaws large and strong, branched. 

 Antennules simple. Ovaries double. Both antennae in the 

 male possessed of the swelling and hinge-joint. 



1. CYCLOPS QUADRICORNIS. Tab. XXIV, figs. 1-10. 



MONOCULUS QUADiucoRNis, Linnaus, Faun. Suec., No. 2049, 17 Hi: 



Syst. Nat., edit. 10th, i, 035, No. G ; 



edit. 12th, 1058, No. 0. 

 Gmelin, Liuii. Syst. Nat., edit. 13th, i, 



2996, No. 6. 

 Scopoli, Eutomologia Cariiiolica, 413, 



No. 1139. 



Fabricius, Syst. Entomol., 295. 

 Jm-uii; llisl. .Nat. .Monoc., 149, 1. 1,2,3. 

 Sulze.r, Iiisectcu, t. 30, f. 9 b. 

 Donovan, Ilist. of Brit. Ins., i, 7, t. 2, 



r. 1-5. 



lilHuii'ii/iiifli, Haiulb. der Naturg., 399, 



No. !. 



Ma,//', 'I, Ki 10. iiu'tli., vii, 718. 

 ^///////,(icn.Iusect.Liiiii.,ial).xx,gcu.xi. 

 Mime, Nal. Misccll., xxi, t. 904. 



MM^OCULUSAPVS, /VA/, Insect. M UN. (Jni-cciis., 125, t. l,f. 11, 12,1761. 

 LE MONOCLE A QUEUE nu i;< in i:, Cn'(f,-i>>i, lli^t. abn't,'. Ins. 1'ar., 



ii, 656, No. 3, t. 21, f. 5,1761. 



l\ri.\Mi// from k-i'K\<i<;, orliis ; anil 



