vii 



ERRATA. 



Page 446, line 19 from bottom, for Centronotus gunellus read Centronotus gun- 

 nelhts. 



474, line 12 from bottom, for Pompilus nesophila read Pompilus nesophilus. 

 503, line 9 from bottom, for Chiton {Ischnochiton) carribceonim read Chiton 



{Ischnochiton) caribhcsorum. 

 555, line 7 from top, for A. jaspiceob read A.Jaspidea. 



