726 THE AMERICAN NATURALIST. (VoL. XXXIII. 
June 14. Two living bichir from Ras-el-Ghelig. Females 
with eggs. 
June. 15-20. Several dead brought in from banks of Nile 
June 22. Two from market at Mansourah. 
June 25. Two. 
June 27. One. 
July 2. Two males and two females. A promising but 
unsuccessful trial to rear larvae was obtained from this material 
by means of artificial fertilization, the females bearing well- 
advanced eggs (which could not, however, be readily shaken 
from the ovarian stalk), and the sperm being fairly active. 
July 3. One male with immature sperm. 
July 4. Two females, both with eggs. 
July 5. One male, two females. 
July 6. Three females, one of whom had shot eggs. 
July 7. Three females, all with eggs. 
July 8. One female. 
July 9. One female with eggs. 
July 10. Three females, two large specimens with eggs, one 
small without. 
July 11. Three females, two large with eggs, one small 
without. 
July 13. One large female with eggs. 
July 14. One large female with eggs, one small without. 
July 15. Two large females with eggs. 
July 16. One large and one small female, both with eggs. 
July 17. One large female with eggs. 
July 18. Two large females with eggs. 
July 20. One female. 
July 21. One small male, one large female with eggs. 
July 22. Two females. 
July 25. One small male, one female with eggs. 
July 26. One small male and two large females, both with 
eggs. 
July 27. Five females, all with eggs ; one small male. 
Aug. I. One very large male (rather smaller than average 
large female). 
Aug. 2. Two large females, one had shot eggs. 
