72 JOURNAL OF THE [April, 



No. 39. Malpighian vessels, from Queen. 



No. 40. Head of Queen. 



No. 41. Vaulting Soldier. 



No. 42. Head of Worker. 



No. 43. Head of Worker, of same species as No. 35. 



No. 44. Head of Worker, of same species as No. 27. 



No. 45. Head of Worker found in railway coach. 



No. 46. Mandibles of the same. 



No. 47. Head of Nasutus Soldier. 

 . No. 48. Mouth of Eutermes Worker. 



No. 49. Head of young male or female. 



No. 50. Longitudinal section of the same. 



No. 51. Wing of Queen. 



No. 52, Transverse section of undeveloped Queen through 

 abdomen, near thorax. 



No. 53. Transverse section near centre of abdomen of the 

 same. 



No. 54. Transverse section near posterior portion of abdomen 

 of the same. The last three slides show the position of the 

 egg-tubes. 



No. 55. Integument of Queen. 



The specimens of Nests and Termites were collected and sent 

 from the Isthmus by Mr. J. Beaumont. 



Most of the slides and all the sections were prepared by Mr. 



L. RiEDERER. 



Mr. J. Beaumont of the Panama Railway Company being 

 present, with other interesting items of information, stated that 

 he had more or less acquaintance with Termites for thirty years. 

 They are so delicate that they cannot endure exposure to topical 

 winds, rains, or heat of the sun. They cannot walk over a hot 

 board, exposed in the sun. Therefore they are very careful to 

 protect themselves by their galleries and passages. In the forest 

 the galleries are always built on the under side of the limbs of 

 trees, to avoid the effects of rains. Queen-cells are found near 

 the centre of a nest. The exterior of a nest is brittle, but the 

 older interior portions are very firm and hard. On disturbing a 

 nest in a tree, almost immediately the entire trunk will be so 

 covered with descending Termites as to appear as if the tree were 

 shedding its bark. 



The Panama Canal Company offered for sale two locomotives, 



