62 Bulletin of the Brooklyn Entomological Society Vol. IX 



fuscis. Prothorax latior quam longior, antrorsum vix angustatus, 

 viridisf superne linea lateral! punctorum prope marginem later- 

 alem rubra. Aleso- et metathorax virides, inferne pallidiores. Ab- 

 domen viride, viridi pilosum, apice vix pallidius. Pedes virides, 

 pallidi; tibiis posticis linea impressa longitudinali distincta, longa; 

 tarsis flavescentibus; unguibus basi fortiter dilatatis. Alse hyalinae, 

 iridese ; stigmate et reticulatione viridibus ; apice subacutae. Ala 

 anterior venulis plerisque et axillis furcularium marginalium 

 nigris, venulis gradatis 5/6, intermediis 5, prima ad quartum api- 

 cale cellulse fusiformis veniente ; cellula fusiformi angusta. Venu- 

 Ise gradatas, una subcostalis pone stigma et aliquot radiales leviter 

 fusco marginatse. Ala posterior sectore radii ad medium longiter 

 nigro; venulis radialibus tribus primis initis, reliquis totis, gradatis 

 3/7 totis, excepta prima in utraque serie, nigris; costalibus fere 

 omnibus initium sectoris radii et venulis radialibus ramisque ex 

 parte nigra sectoris procedentibus, nigris. 



Long. corp. 7.3 mm., ant. al. 12 mm., al. post. 10.5 mm. 



Patria. Yaphank, L. I., July 10, 1913. 



Family NEUROMID^. 



Chauliodes pectinicornis L. ?. Lake Mahopac, N. Y., T. D. 

 O'Connor, July 12, 1903. 



Family SIALID^. 

 Sialis infumata Newm. White Plains, July 14 ; Yaphank, July 5, 

 1913- 



Defoliating the weeds on the bank of the Morris Canal last 

 summer, there were observed dozens of " wooly bears," the larvae 

 of the common Diacrisia virginica. A score of them were thrown 

 into the water, three to six feet from shore. A slight current and 

 breeze carried them straight along. Every caterpillar began at 

 once to swim, all but one turning directly toward shore. One 

 tried to swim across and was lost to observation. All the others 

 reached shore within five minutes, none the worse for their duck- 

 ing. There was nothing haphazard about their effort. It was 

 a systematic undulating motion, quite like the swimming of a 

 water snake, and quite as deliberate. R. P. D. 



