320 B. GRASSI AND A. SANDIAS. 
Fis. 13.—Superficial portion of a nest of T. constructed in a jar, with exit- 
holes and chimneys for swarming. 
Fic. 14.—Portion of a termitarium found in a bench in the church 
Pesara. 
Fie. 15.—Tubular gallery, similar to that of Fig. 39, Pl. 2, but not flask- 
shaped. 
Fic. 16.—Portion of a partly excavated and partly built nest, found in a 
large cavity in the root of a cactus swarming with T. 
Fie. 17.—Galleries constructed by T. kept in a glass jar; D-shaped, except 
the one projecting over the lip, which is tubular, The shading at the bottom 
indicates the rubbish which harboured the colony. 
PLATE 19. 
The left side of the plate refers to Calotermes flavicollis, except 
Fig. 6, which refers to Termes lucifugus; the right side refers to Embia. 
Lert Sipe (CALOTERMES), 
Fie. 1.—Ovary and colleterial gland of a true queen in the second year of 
maturity. 3, 4, Kor. 
Fie. 2.—Ovaries of a very bulky queen, enlarged about three diameters 
(the tubes do not actually lie in one plane as in the figure). eat. ant. = 
anterior extremity. 
Fie. 3.—Colleterial glands of a true queen. 3, 4, Kor. 
Fic. 4.—Left testis (¢est.), vas deferens (con. def.), and vesicula seminalis 
(ves. sem.) of a true king. 3, 6, Kor. 
Fie. 5.—Testis of a substitute king, several years old. 3, 6, Kor. 
Fie. 6.—Portion of the spermatheca, showing the ducts and orifices of the 
underlying glands (fresh). (Termes lucifueus.) 
Fie. 7.—Salivary glands of a small larva. ves, = reservoir. 38, 8, Kor. 
Fig. 8.—Relations of the hinder part of the chylific ventricle and intes- 
tine. The former contains a blackish, the latter a yellowish detritus. Their 
junction is indicated by the insertion of the Malpighian tubules. 
Fie. 9.—Stomodeum (zt. ant.) and part of the chylific ventricle (xt. med.). 
inv. = invagination of the former into the latter. 
Fic. 10.—Tympanic organ in the fresh state. 3, 75, Kor. 
Fie. 11.—Tuhe-nest. Large portions of the glass are obscured by dis- 
gorged matter. The cork is riddled with burrows, and is represented separately 
on the right. 
Fie. 12.—Spermatozoa from the spermatheca, in the fresh state. 5, 54, 
Kor. 
