PLECTOPTLIS. 



125 



secondly, a very long horizontal fold, extending anteriorly beyond 

 the folds of the second series, with an elevated compressed denticle 

 posteriorly ; thirdly, a very short horizontal fold, deflected post- 

 eriorly ; fourthly, a strong vertical lamina, with an indentation at 

 the middle, giving off posteriorly at its lower extremity an obliquely 

 descending ridge, and provided at the same place with a small 

 denticle ; at the base of the upper lobe of the vertical lamina on 

 the posterior side occurs a slight swelling, while on the same side 

 from its upper extremity runs a short ridge, connecting this 



Fig. 61,Plectopylis woodthorpei. 



lamina with the third horizontal fold ; fifthly, a long thin hori- 

 zontal fold near the lower suture. The anterior series consists of 

 three thin horizontal folds, the first longest the third shortest, all 

 three descending a little anteriorly." (Crude.) 



Major diam. 8-75-10, minor 7'25-8 mm. ; alt. 3-25-4 mm. 



Hob. Burma : Eort Stedman ( Woodthorpe). 



Three specimens two mature, one young collected by the 

 late Col. Woodthorpe, E.E,, after whom the species is named, 

 were communicated by Lt.-Ool. Godwin- Austen and are now in 



