290 MANDIBULATA. COLEOPTERA. 



eiytrorwm mnrghie laterali pedihusque Jlavis, jhnoribus basi nigris. (Long, 

 corp. 2 — 3 lin.) 

 Ch. Nymphceae. LinnL—Maityn, C. -pi. 1 7. /. 46.— Ga. Nymphsea:. Ste^pli. 

 Catal. 212. ,Ko. ^2141. 



Oblong-ovate, soraewhat depressed, black : head testaceous, with the crown black ; 

 the forehead with a delicate fascia between the antenna: thorax testaceous- 

 yellow, very unequal, loith two foveae placed longitudinally, and a larger one 

 on each side; in the middle of the back is an oblong black spot, and a rounded 

 one on each side : elytra thickly and unequally punctate, dull-black, with the 

 lateral margins and apex Jlavescent ; abdomen flavescent at the apex : legs 

 yellow, with the base of the Jhnora black : antennae black, with several of the 

 basal joints testaceous at the base. 



Taken upon various aquatic plants in May and June. " Prest- 

 wick Car."" — G. Wailes, Esq. " In Crwmlyn and Sketty Bogs, 

 not common."— Z. W. Dillzc2/n, Esq. " Raehills."— i?^;^;. W. 

 Little. 



Sp. 8. SagittariiE. Subconvexa, nigra, thorace Jlavo, jnaculis tribus nigris, ore 

 elytrorum suturd margine pedihusque Jlavescentibus, femoribus basi fuscis. 

 (Long. Corp. 2—2.^ lin.) 



Ga. Sagittariae. Gyllenhal.— Steph. Catal. 212. No. 2142. 



Oblong-ovate, black: head flavescent in front, dusky behind, finely punctured: 

 forehead with a deep channel : thorax yellow or griseo-flavescent, with three 

 black spots, sometimes nearly obliterated, and foveolated as in the foregoing 

 species : elytra fuscous, pubescent, with the lateral margins and apex, and 

 sometimes the ^wtwre Jlavescent : legs Jlavescent, with the base of the femora, 

 and the joints and tArs\fuscescent : antennae with the basal joints pale at the 

 base, their apex and the remaining joints black : mouth yellowish. 



Rare : found on the Arrow liead fSagittaria sagittifolia) and 

 other aquatic plants in May, within the metropolitan district; and 

 also near Bristol. 



Sp. 9. Calmariensis. Supra testacea, prof unde punctata, vertice, lineold thoracis, 

 scutello, elytris vittd longitudinali, corporeque subtus nigris, ano pedibusque 

 iestaceis. (F^ong. corp. 2— 2^^ lin.) 



Ch. Calmariensis. Linne.—Steph. Catal. 212. No. 2143. 



Oblong-ovate, above testaceous, deeply punctured : head testaceous in front, 

 black behind : thorax with an abbreviated, dilated longitudinal black line, in 

 a dorsal furrow : elytra testaceous, with a more or less abbreviated longitudinal 

 black dash, arising at the base and broadest towards the apex : abdomen 

 black, with the apex testaceous : legs pale : antenna; fuscous, with the basal 

 joints testaceous. 



