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Page 277 



PAPER No. 12. 



THE MICROZOA OF THE TERTIARY AND OTHER 

 ROCKS OF TRINIDAD AND THE WEST INDIES. 



Paper published in the "Journal of the Field Naturalists' 

 Club" for Dec. 1893, pp. 277-290. 



On any question relating to the geology of Trinidad the first 

 reference naturally is to the Geological Report of G. P. Wall and 

 J. G. Sawkins. Previous to the publication of that report in 

 i860 the knowledge we possessed relative to the structure of the 

 island was of the most meagre and erroneous kind. But the 

 conditions of the Colony restricted so much the time and means 

 at the disposal of the Surveyors that a general outline onl} T was 

 possible to them, leaving the details to be filled in by the ir- 

 regular and erratic hand of the amateur. Hence the descriptions 

 of the sedimentary strata of the district of Naparima contained 

 in the report were more imperfect even than the natural con- 

 ditions and difficulties of observation, themselves pretty con- 

 siderable, need have made them. The relations of the various 



