. The Annals and magazine of natural history; zoology, botany, and geology. Natural history; Zoology; Botany; Geology. 130 Mr. S. A. Rohwer on new into three parts, the apex with a slender spine-line projection ; mesoscutum finely lineate, with a distinct, median, longi- tudinal sulcus on the posterior two-thirds; scntellum more coarsely lineate than the scutum, the median sulci nearly parallel; propodeum dull, finely coriaceous, with three feeblr, median, longitudinal carina?, and basally with two faint, transverse, raised lines ; abdomen shining, short (suhequal in length with the thorax), a
. The Annals and magazine of natural history; zoology, botany, and geology. Natural history; Zoology; Botany; Geology. 130 Mr. S. A. Rohwer on new into three parts, the apex with a slender spine-line projection ; mesoscutum finely lineate, with a distinct, median, longi- tudinal sulcus on the posterior two-thirds; scntellum more coarsely lineate than the scutum, the median sulci nearly parallel; propodeum dull, finely coriaceous, with three feeblr, median, longitudinal carina?, and basally with two faint, transverse, raised lines ; abdomen shining, short (suhequal in length with the thorax), almost spherical in dorsal outline ; Fte. Tetrastichus ayyari, Rohwer. Antenna of paratype a. marginal and submarginal veins of suhequal length. Uniformly black, with a greenish reflection on head and thorax; scape yellowish brown ; legs, except anterior coxa? and femora which are brownish, yellowish white ; wings hyaline ; venation yellowish. Type-locality.—Coimbatore, South India. Type.—Cat. No. 20,984, Described from eleven females received from Ramakrishna Ayyar under his number 6 (or 9) and ^labelled : " Parasitic on d of Choi am chilo. Insectary. , , ' Antenna of paratype a on slide 880. Named for Kamakrishna Ayyar. Tetrastichus isaaci, sp. n. In the generic tabulation given by Girault falls in Tetra- stichomorpha, and there is more closely allied toflava, Girault, but differs in some details of colour and in the antenna. Female.—Length 2*25 mm. Dorsal part of Irons with a few widely scattered setigerous pits ; a transverse ridge immediately behind the anterior ocellus and another immediately behind the posterior ocelli ; the posterior ridge projects ventrally along the posterior margin of the eye ; antenna as in figure 7 ; caudal margin of pronotum with a row of well-separated bristles ; mesoscutum finely irregu- larly aciculate, with a longitudinal median sulcus posteriorly ; scutellum large, its surface with irregular
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