1913.] 



NATURAL SCIENCES OF PHILADELPHIA. 



397 



Fig. 1. Fig. 2. 



Diagrammatic sketches of venation of male (Fig. 1) and female (Fig. 2) tegmina 

 of Nemobius. 



1 Mediastine Vein (Saussm-e and Brunner). 



2 Humeral Vein (Saussure) = Anterior Radial Vein (Brunner). 



3 Discoidal Vein (Saussure) = Posterior Radial Vein (Brunner). 



4 Median Vein = False Discoidal Vein (Saussure) = Ramus of 



Posterior Radial Vein (Brunner). 

 5 Ulnar Vein = Oblique Vein (Saussure) = Anterior Ulnar Vein 



(Brunner) . 



6 Anal Vein (Saussure) = Posterior Ulnar Vein (Brunner). 



A Axillary Veins. 



S. V Stridulating Vein. 



C Cordes or Postaxillary Veins. 



D. V Diagonal Vein. 



F Free Veins of Lateral Field. 



D.-A. R. B....Discoido-anal Root-basin. 



C. V Cross- veinlets. 



L. F Lateral Field. 



D. F Dorsal Field (which includes Apical Area). 



I. C Intermediate Channel. 



T Tambourine. 



A. N Anal Node, Musical Node, Node. 



A. A Apical or Distal Area. 



S. M Sutural Margin. 



C. M Costal Margin. 



Mgn. B. T... Approximate margin of Tegmina in brachypterous forms. 



M Speculum or Mirror. 



CC Cells formed by Cordes. 



I Interior Cell of Speculum. 



E Exterior Cell of Speculum. 



X Cells of Apical Area. 



S Stigma. 



