76 
TRANSACTIONS OR THE TEXAS ACADEMY OF SCIENCE. 
51. Atrachelus simplex Uhler MS. — (W.) A new species. 
52. Diplodus luridus Stal. — A Mexican species, extending to Michi- 
gan. (W. & A.) 
53. Diplodus cervicalis Stal. — Not in list. (W.) 
54. Apiomerus pictipes H. S. — Point Isabel. Western States. (W.) 
55. Saida signor etii G-uer. — Point Isabel. Southern States. (W.) 
56. Anisops platycnemis Fieb. — Found in cistern-water, February 20. 
Occurs in the Atlantic States. 
Hemiptera Homoptera. — The following Homoptera conclude the 
list of Hemiptera: 
1. Proarna signifera Walk. — Brownsville and Point Isabel. (W.) 
2. Stictocephala rufivitta Walk. — (A.) 
3. Amastris impressus Goding MS. — (W.) A new species. 
4. Amastris laeta Goding. — Brownsville and Point Isabel. (W. & A.) 
5. Stictopelta marmorata Goding. — (W.) 
6. Euchonopa bifusifera Walk. — (W.) 
7. Erechtia monstrosa Germ. — (W.) 
8. Clastoptera xanthocephala Germ. — (W. & A.) 
9. Agallia constricta Van D. — (A.) 
10. Homalodisca coagulata Say. — (W.) 
11. Homalodisca ( Proconia ) insoleta Wlk. — (W. & A.) 
12. Diedrocephala flaviceps Eiley. — (A.) 
13. Diedrocephala mollipes Say. — (W. & A.) 
14. Athysanus bicolor Van D. — (W.) 
15. Phlepsius excultus Uhler. — (W.) 
16. Phlepsius spatulatus Van D. — (W.) 
17. Chlorotettix viridia Van H. — (A.) 
Coccidae, — The following coccidae (scale-insects) were collected in 
the lower Rio Grande region. They were determined by Professor Cock- 
erell: 
1. Coccus confusus Ckll. — On leaves of Opuntia sp., at Point Isabel, 
April 25. Also collected at Arroyo Colorado, December 10, 1894. 
2. Coccus confusus Ckll. var. — On Opuntia sp., at La Puerta, Tamasi- 
lipas (on the Rio Grande), May 6. The specimens are larger than the 
normal confusus. 
3. Phenacoccus helianthi Ckll. var. — Found on the road two miles west 
of Santa Maria, on rattoon cotton. This was at first supposed to be d dis- 
tinct species, but Prof. J. D. Tinsley, who has taken up this group of 
Coccidae, writes me as follows: “The scale on cotton is Phenacoccus 
helianthi Ckll. It is probably a variety, but I do not believe that there 
is difference enough to warrant giving it a varietal name.” Judging from 
