A COLLECTION OF ODONATA FROM SOUTH ANNAM 457 
Wings hyaline, the basal portions richly saffronated to about 
halfway to node, the free border of this area curving obliquely: back 
_to the tornus, Antenodal nervures in forewing 27, postnodal ner- 
vures 19, antenodal nervures in hindwing 18, postnodals 20, 4 cells 
in trigone of forewing, 3 in that of the hind. Stigima black. 
Taken at Daban, 650 ft, Phanrang Province, March 1918. 
Genus IcTINUS. 
2, I. RAPAX. 
One o. Daban, 650 ft., Phanrang Province, March 1918. 
Genus MACROGOMPHUS. 
3. M. ANNULATUS Selys. 
One ¢. Taken at Dalat, 5000 ft., Langbian Province, April- 
May 1918. 
Famity LIBELLULIDAE. 
Subfamily CoRDULILNAE,. 
Genus MACROMIA. 
4. M. GERSTAKERI Kruger. 
One d. Daban, 650 ft., Phanrang Province, March, 1918. 
Subfamily LipeLLuLinae. 
Genus LATHRECISTA. 
5. lL. ASIATICA ASIATICA Ris. 
One ¢ and one 2. Daban 650 ft., March 1918. 
The markings in this pair are very bright and distinct. The 
apices of the wings are tipped with brown and there is some saf- 
fronation along the costal margins. The specimens conform to the 
wet season type. 
; Genus ORTHETRUM. 
6. O. SABINA Kirby. 
One ¢ only. Daban, 650 ft., Phanrang Province, March, 1918. 
7. O. pRuINosUM Kirby. One ¢. Dran, 3,000 ft, Lang- 
bian Province, March 1918. 
Genus BRACHYDIPLAX. 
_ 8 B. rarrNnosa Kirby. 
One ¢, Daban, 650 ft., Phanrang Province, March 1918. 
VOL, 111, NO. 4, i919. 
