PSYCHE. 



401 



P. 310. Heteropterous Hemiptera. 

 Only the first eight pages of this tract 

 were printed in 1 831, as is evident from 

 the fact that on p. 19 [322 of Compl. 

 Writ.] under Pentatnma bifida, Say's new 

 species etc. found by Barabino [p. 300] 

 is referred to, which was printed "Janu- 

 ary, 1832." All the remainder of this 

 tract, therefore, must have been issued 

 after that date. [The fir^t signature 

 also contains, on p. 5 [316], under the 

 description of J^cntaioma IiHaris a simi- 

 lar reference. A copy of the original 

 tract is in the Boston society of natural 

 history.] 



P. 364. Bilos/otna Jluminea. [var. u, 

 iinmaculatus does not appear in the 

 first Barabino pamphlet.] 



P. 369. Correspondence. See 

 Southern Agriculturalist, Charleston, S. 

 C, Vol. i, p. 203. [There follows in the 

 Disseminator an apology to Dr. Capers 

 for publishing his letter without consult- 



ing him, signed T. S. Dr. Harris's copy 

 of this Correspondence is bound up with 

 a New Harmony pamphlet (Compl. 

 Writ., ii, 521) as a leaf from the Dis- 

 seminator (with other matter) pasted 

 between the title page and the paper 

 proper and unnumbered ; whether it was 

 printed earlier or later does not ap- 

 pear ; my own copy of the pamphlet 

 does not contain it.] 



P. 373. Description of Hymenoptera. 

 [Dr. Harris gives January, 1829, as the 

 date of publication.] 



P. 3S7. line I ; for scutel, read suture. 



P. 390. Elater iinicolor. Nails pecti- 

 nated. 



P. 393. Elater erosus. Compare this 

 with Eiiciiejiiis atropos ; it is possible it 

 may be congeneric. 



P. 395. Eiafcr siiatriis. Length 

 nearly three tenths of an inch. 



P. 395. Elater ruluieiis. Abdomen 

 black. 



ON ALEBRA AND RELATED GENERA. 



BY C. F. BAKER, ST. CROIX FALLS, WISC. 



The Typhlocybid genus Alcbra is 

 separated from others of the tribe bv 

 the fact that the elytron possesses a well 

 develojjed appendix. The wing re- 

 sembles that of the higher Jassids in 

 being distinctly margijied, and with 

 three apical cells. 



There are in my collection fourteen 

 Brazilian si^ecies of the Typhlocybini 

 in which the elytron possesses an ap- 



pendix. As far as the wings are con- 

 cerned, however, twelve of these species 

 are not at all like Alebra, as in these 

 the margin of the wings is entirely ob- 

 solete around the apex. 



Five of these Brazilian species which 

 I had loaned Mr. Gillette were de- 

 scribed under Alebra in his late paper 

 on the Typhlocybini. (Proc. Nat. 

 Mus. XX). Only one of these {dor- 



