296 NEUROPTERA. 
Miathyria simplex, Calv. Proc. Calif, Acad. Sci. (8), Zool. i. p. 389 (1899) °. 
? Miathyria pusilla, Kirby, Trans. Zool. Soc. Lond. xii. p. 318, t. 52. fig. 3 (¢ colour) (1889) °; 
Ann. & Mag. Nat. Hist. (6) xix. p. 600 (1897)"; Calvert, 1. c. (1899) °. 
The present material agrees with that described by Hagen in so far as the genitalia of the second abdominal 
segment of the males and the absence of “bleu violatre”! on the frons are concerned ; the frons has a 
transverse brown stripe immediately in front of the vertex and eyes. However, none of these males are 
pruinose ; perhaps the frons is bluish in that stage. 
Mid-dorsal black is present to a varying extent on abdominal segments 3-10 (cf. °°) even in the Cuban 
female, a fact which supports Mr. Kirby’s later view’ as to the probable identity of pusdla and simplex. 
The dorsal black is not united with the ventral black of these segments in the younger female examples. 
As in M. marcella, the extent of the basal brown spot of the hind wings is variable. In the specimens from 
Teapa of both sexes it does or does not enter the triangle, but in no case fills it. The maximum extent 
of this brown is seen in one of the females from Altamira, where the spot reaches out to the second 
antecubital, fills the triangle, but leaves most of the supratriangle clear, extends behind the triangle, on a 
level with its middle, to within three cells of the hind margin, then curves inward toward the anal 
“angle”; many of the cells occupied by the brown have a central pale yellow dot; the veins of the front 
wings of this female are bordered with yellowish-brown from base almost to arculus. The triangle is 
filled with brown also in the females from Los Amates and Atoyac, but the basal spot is otherwise not 
so large. 
The Corumba female furnishes the smallest measurements given on page 294, those from Altamira and Teapa 
the largest. 
Hab. Mexico, Altamira in Tamaulipas (Hoag, coll. P. P. C.: 2 9), Misantla 
(F. D. G.: 1 9) and Atoyac [1 2] in Vera Cruz, Teapa[6 ¢,10 92] in Tabasco, 
Acapulco [1 @ ] (A. H. Smith), Salina Cruz (coll. Deam, teste Wilmsn.) ; GUATEMALA, 
Los Amates (Hine, 0. S. U.: 1 9).—Ecuapor, Duran (Campos R&., A. N.S.: 1 2); 
Brazit, ?Santarem®, ?Tapajos®, Corumba (H. H. Smith, Carn. Mus. Pittsb.: 1 2); 
West Inpizs, Havana (Baker, coll. P. P. C.: 1 2) and Cardenas * in Cuba 123, 
Taken in one or another of the Mexican localities from January to June, September 
and December, in April at Corumba, in August at Duran, in November?‘ at Cardenas. 
TAURIPHILA. 
Tauriphila, Kirby, Trans. Zool. Soc. Lond. xii. pp. 258, 268 (1889) ; Cat. Odon. pp. 4, 177 (1890) ; 
Karsch, Berl. ent. Zeitschr. xxxiil. p. 851 (1890). 
Tramea, pars, Hagen, Stett. ent. Zeit. xxviii. p. 227 (1867) ; xxx. p. 263 (1869). 
Tramea, B, Brauer, Verh. zool.-bot. Ges. Wien, xviii. p. 714 (1868). 
The forms found in the present region may be distinguished as follows :— 
A. Hind wings with two post-triangular rows for a distance of 2-3 cells, then 
increasing to three rows (formula 2, 2,3, 3,3.... or 2, 2,2,3,3,3....); 
superior appendages of the males in dorsal view subparallel, in profile view 
upper edge almost straight, denticles of lower edge beginning at two-fifths’ and 
ending at four-fifths’ length of the appendage. 
B. Hind wings with 7 antecubitals and no brown nodal point, membranule dark 
grey or blackish ; all wings with usually only one row of cells between sub- 
nodal sector and supplementary sector next below . . . . . . . . . 1. australis. 
