2403. 
2408. 
2420. 
2424. 
2425. 
2429. 
2440. 
2442. 
2444, 
2447, 
2449. 
2452. 
2457. 
2463. 
2471. 
2473. 
ZO 
2505. 
LENG AND Davis: COLEOPTERA OF STATEN ISLAND 15 
Colambus inequalis Fab. (punctatus Say). April, May, 
[NOG SOc Gt 
Celambus turbidus Lec. Sept. Also reported by Linell, 
Pir®, INA, SCL ASS W OF So Il, wolls Jl, jo. AO, Jute, iWersts. 
Celambus nubilus Lec. January, October. 
Celambus impressopunctatus Sch. March, April, July. 
“. . . taken on the salt marshes of Staten Island, but 
this is a widely distributed species in the north, occurring 
both at sea level and at high altitudes, both east and 
west. J@aan ID), Saecmeim, lic, Jounal IN, Wo Mo. SOC, 
vol. X XI, p. 45, March, 1913. 
Celambus laccophilinus Lec. July, Aug. (Sherman). In 
woodland pools. 
Deronectes catascopium Say. May, October. 
Hydroporus pulcher Lec. July, Aug. (Sherman). Don- 
gan Hills in running water. September. 
Hydroporus shermani Fall. | 
Hydroporus mellitus Lec. Dongan Hills, August (Sher- 
man). 
Hydroporus undulatus Say. February, April, June, July, — 
Aug., Sept., Oct. Climbing up on stem of bush and 
sunning themselves, February 12, 1903. 
Hydroporus lobatus Sharp. May, July, Aug. (Sherman). 
Hydroporus clypealis Sharp. July, Aug., Sept. (Sher- 
man) ; October (Shoemaker ). 
Hydroporus proximus Aubé. (Sherman.) 
Hydroporus muxtus Lec. Dongan Hills, Aug. (Sher- 
man). 
Hydroporus striatopunctatus Melsh. May, July, Aug. 
Dongan Hills in running water (Sherman). Clove Val- 
ley, June: 
Hydroporus vitiosus Lec. Running water, July (Sher- 
man) ; June. : 
Hydroporus tristis Payk. July. 
Hydroporus americanus Aubé. May, June, July, Sept. 
