48 COLEOPTERA. 



2. Hydroporus longicornis, D. Sharp, Ent. Mo. Ma^., 



vii, 205. 

 parallehis, Sharp, I. c, vi, 84 (1869), nee Aube 

 (1836). 



3. Hydroporus melanocephalus, Marsham, Ent. Brit., 



ii, 423 (1802, Bytiscus); Steph. 

 puhesceyis, GylL, Ins. Siiec, i, 536 (1808). 

 Dr. Sharp points out the above necessary alterations in 

 nomenclature. 



4. Hydroporus scaphiformis, D. Sharp, I. c, vii, 205. 



melanocephalus, Gyll., /. c, 537; Aube, Thorns. ; nee 

 Marsham. 

 Dr. Sharp's proposed name for Gyllenhal's species seems 

 anticipated by Mr. Crotch's atriceps (p. 24). 



5. Anac^na variabilis. Sharp, Ent. Mo. Mag., vi, 255 



(April, 1870). 

 carinatay Thorns., Opusc. Ent., fasc. ii, 126 (1870). 

 Dr. Sharp (Ent. Mo. Mag., vii, 204) has pointed at this 

 synonymy. 



6. MiCROGLossA MARGiNALis, Grav., Mon. 161; Gyll., 



Ins. Suec, ii, 420 (^Aleochara); Er., Gen. et Spec. 



Staph., 138 {Homalota ?); D. Sharp, Cat. Brit. 



Col., 1871. 



riifipennisj Ktz., Ins. Deiitschl., ii, 81 (Haploglossa). 



This is the species alluded to in ray prefatial remarks, as 



being omitted by Dr. Sharp from his account in Ent. Mo. 



Mag., viii, 83, of the species first registered as British in his 



Catalogue. That gentleman so omitted it, being under the 



