270 NEUROPTERA. 
Connecting-forms between subspecies berenice and neva. 
Micrathyria berenice, Calv. Trans. Amer. Ent, Soc, xx. p. 260 (1893) * (in part. ; the last five words, 
“or as in form II” *, under the description of form I). 
Reticulation as dense, or nearly as dense, as in berenice; nos. 3-8 of the table on page 268. The females are 
heterochromatic 6 II. I have not seen any homeochromatic females from the following localities. 
Abd., 3 23:5 (Texas), 24 (Salina Cruz), ? form bII 22-5 (Texas), 24 (S. Cruz, Altamira) mm. For hind 
wing see table, page 268. Costal edge of stigma, front wing, 3-3-5 mm. 
Hab. Unrtep Staves, Texas}, possibly Corpus Christi (S. / Aaront, A. NV. S.: 2 3, 
7 °).—Mexico, Altamira in Tamaulipas (ZHoag, coll. P. P. C.: 1), Acapulco 
(Ilassler Exped. M. C. Z.: 1 3), Salina Cruz (coll. Deam: 1 3,1 2).. 
Taken in July at Altamira, in December at Salina Cruz. 
The Acapulco male might be referred equally well to neva. The actual transition 
from females I and II of berenice to I and II of neva is yet to be found. The most 
likely areas are the coasts of South Carolina, Georgia, and Northern Florida, 
b. Subspecies neva. 
Dythemis neva, Hagen, Syn. Neur. N. Amer. p. 167 (1861)*; Proc. Bost. Soc. Nat. Hist. xi. 
p. 293 (1867) ”. 
Micrathyria berenice, Calv. Trans. Amer. Ent. Soc. xx. p. 261 (1893)°* (in part. ; same remarks as 
for this quotation under “ connecting-forms,”’ anted, substituting “ Bahaman”’ for ‘“ Texan” 
and “neva” for “ connecting-forms”’). 
The following notes, made in 1897, from Hagen’s types of neva in the M. C. Z., give details not mentioned 
in the description :— 
3 type. Front wings with 3 post-triangular cells, then two rows (left), or two rows from the triangle out 
(right), to the level of the origin of the subnodal sector, increasing to 5-6 marginal cells, discoidal 
triangle free, internal triangle 2-celled, last antecubital continuous on the right side only. Hind wings 
with one row of post-triangular cells between the short sector and the first sector of the triangle, 
increasing to 9-10 marginal cells. Extreme base of wings uncoloured. Arculus between first and second 
antecubitals ; pterostigma luteous, 2 mm. long. Anterior lamina very small. Hamule lamellate, apex 
bifid; inner branch very slender, curved, with acute tip; outer branch longer, wider, tip truncated 
obliquely outward (laterad) and downward (ventrad). Genital lobe less prominent, longer than wide, 
directed backward, posterior margin bilobed. Superior appendages with an inferior row of denticles, no 
subbasal teeth or tubercle. Abdomen 19, hind wing 22 mm. 
Q type. Front wings with three post-triangular cells, then two rows to the level of the origin of the subnodal 
sector, increasing to 5 marginal cells, discoidal triangle free (left) or crossed (right), internal triangle 
3-celled. Hind wings as above for ¢. No colouring on the wings; pterostigma a little darker, 2°5 mm. 
long. Shape of abdomen evidently somewhat altered. Vulvar lamina projecting. Abdomen 21, hind 
wing 23 mm. 
3S 2. Variations in the venation from the conditions presented by these types exist in the present material 
as follows :— 
Front wing: post-triangular rows to level of origin of ‘subnodal sector 2~3 with all intermediate conditions, 
often asymmetrical in the same individual. Discoidal triangle crossed in 45 wings, free in 27 wings, 
asymmetrical in 4 ¢ (Colon 3, Cuba 1), 5 Q (8. José 1, Cuba 3, Jamaica 1). Internal triangle 2-celled 
* These words refer to the same Texan specimens as are here quoted as connecting-forms. In 1893, I 
incorrectly (as I now think) referred them to @ form I. 
