1'LACOSTYLUS. Hii 



in the shortening of tlie duct of the spermatheca, and the enlarge- 

 ment and evident functional importance of the first branch of the 

 pericardial vein. The latter is well developed, however, in the 

 American genus Macrodontes. 



Section Placostylus s. str. 

 (Species of New Zealand.) 



P. shongii Less., xiii, 22. v. novoseelandicusPfr.,xiii, 24. 



bovinus auct. neozealanictis Hutton. 



auris-bovina Petit. v. candidus Crosse, xiii, 25. 



lionyii Suter, xiii, 235. 



(Species of Lord Howe Island.) 



P. bivaricosus Gask., xiii, 25. v. etheridgei Braz., xiii, 26. 



v. cuniculinsuhe Cox, xiii, 26. v. solidus Eth., xiii, 27. 



(Species of New Caledonia and the Loyalty Is.) 



Group of P. bavayi. 



P. eddystonensis Plr., xiii, 30. P. curtus Cr., xiii, 33. 

 hienguenensis Crosse. layardi Kob. 



servaini Euthyme. P. savesi Cr., xiii, 33. 



P. bavayi C. & M., xiii, 31. P. rossiteri Braz., xiii, 34. 



v. dupuyi Kob., xiii, 31. 

 P. bondeensis C. & S., xiii, 32. 

 v. edentulus C. & S., xiii, 32. 



Group of P. fibratus. 



P. alexander Cr., xiii, 35. P. fibratus Martyn, xiii, 39, 235. 



v. procerula, ouagapensis, B. alboroseus, bulbulus, car- 



crassus, leucostoma, nigri- bonarius, necouemis, in- 



cans Crosse, xiii, 36; 1undibu1um,superfasciatus, 



patulus Kob., xiii, 236. patens, of Gassies ; B. f. 



P. corpulentus Gass., xiii, 37. pallidula Crosse; Valuta 



P. abbreviatus Gass., xiii, 37. austraiis Dillw.; H. auris- 



P. kanalensis Cr., xiii, 38. bovinus Ker.; Auricula 



v. tchioensis Kob.. xiii, 38. aurantiaca Schuin.; B. 



thioensis Cr. bootis Mke. 



v. subeffusus Kob., xiii, 39. v. pinicola Gass., xiii, 42. 



