208 I\Ir. BrTLER on rariovs r/enera of the 



2. Polijglijpta costata. 



roI//gh//)ta costata, Burmeister, Handb. Ent. ii, 1, p. 142, 1 ; 

 Silb.^evue Eat. iv, p. 177, 1, pi. 36, figs. 5-7 (1836). 



$ Pohjfjlypta pilosa, Fairm. Ann. Ent. Ser. 2, iv, p. 296, 2 

 (1846). 



J Poli/rjli/pta strifjata, Walker, List. Ilomopt. Suppl. p. 136 

 (1858).' 

 • ^ , 9 IMexico. Brit. Mus. 

 



3, Poli/gliipta dorsalis. 



Polyglypta dorsalis, Burmeister, Silb. Revne Ent. iv, p. 178, 

 2 (1836). 



var. PoJygJupta macuJata, Burmeister, I.e., n. 3(1836). 



var. Poli/glypta palUpes, Burmeister, I.e., n. 4 (1836). 



Polyglypta nigella, Fairm., Ann. Ent. Ser. 2, iv, p. 298, 10 

 (1846). 



Mexico, Chiapas. Brit. Mus. 



1 have associated the above on the authority of Dr. Stal, but 

 the three forms are readily separated ; P. pallipes, not only by 

 its black colouring, but the distinctly shorter, though variable, 

 anterior thoracic horn. 



Q 



4. Polyglypta lineata. 



Polyglypta lineata, Burmeister, Silb. Revue Ent. iv, p. 179, 

 4 (1836). 



Polyglypta abbreriata, Walker, List Homopt. Suppl. p. 136 

 (1858). 



Mexico (Oaxaca). Brit. Mus. 



5. Polyglypta tridecim-costata. 



Polyglypta tridecim-costata, Fairm., Ann. Ent. Ser. 2, iv, 

 p. 299, 11 (1846). 

 Mexico. 



Greenish, with short anterior horn: thirteen carina}. 



6. Polyglyp)ta fusca, n. sp. PL III, f. 3. 



Chocolate-brown, coarsely punctured ; pronotum with four 

 lateral carina? ; anterior process (from the humeral angles) about 

 one-third the length of the entire insect, laterally compressed, 



