. Scientific survey of Porto Rico and the Virgin Islands. Scientific expeditions. st'il'X'flFll' srm'HY <IF PORTO Riro iiiiiiiiil liticl ,t raij). lierki-y asrribe^; ilif i-anM'^ ul: ilio htahiliiy of tlif r nl" icgctH- itiii: scH'und. the small rarigo in daily ani' aiinuiil tcMujK'nitiirc: and. hird. ihi! low (•(.ntent of itiort; ui- rpl'iiu'tury iiuiloiaal. .-ludi as frurtinii \\m fjinii^hi-d the mW. Nciilipr ui: the liist w., of tJieso rart«.rs wnuhl oxplaan tht- tdi«> indiivalioii. 'rhc third, however, is, id: vjlal siuniii^^ aiH;»\ The io-n,Mai> T<xdifion, roiitaiii large
. Scientific survey of Porto Rico and the Virgin Islands. Scientific expeditions. st'il'X'flFll' srm'HY <IF PORTO Riro iiiiiiiiil liticl ,t raij). lierki-y asrribe^; ilif i-anM'^ ul: ilio htahiliiy of tlif r nl" icgctH- itiii: scH'und. the small rarigo in daily ani' aiinuiil tcMujK'nitiirc: and. hird. ihi! low (•(.ntent of itiort; ui- rpl'iiu'tury iiuiloiaal. .-ludi as frurtinii \\m fjinii^hi-d the mW. Nciilipr ui: the liist w., of tJieso rart«.rs wnuhl oxplaan tht- tdi«> indiivalioii. 'rhc third, however, is, id: vjlal siuniii^^ aiH;»\ The io-n,Mai> T<xdifion, roiitaiii large d' iVldspars and .? ndnerals, and little or iw 'I1iioil, essi-ntiallT a elay. whieh would, hv ?ery nii|.ervi,)iB. X veil of this eliaraelTT wnidd not perinit rr«'e «'ii^^.. Hth of Bui eiilatioii of ui-oniid waler and woidd tiol readlijy he rcmou'd, and iraiis- jiorted bv {he siirfact! riin^ulT. 'IMie preseiice^ of a^ widespread mantle ed' sueli impervious sod, well explain the peeuliar atwnee of meleorje 's throudioui the True 's are atmost uid<nown in the San .1 nan distnet. The so-ealled ajv merely rivideis of snrtaee water, hidden in their nj)per eoni'ses l»v dense veg-etiitiim. On the souJiiern coast several thernuil spririg-s have heeii /nun i-ause of the ahsenee rd* spriii^-s is not yet deterjnined, hnt it. is at a pussihle exnhniatior! of an otherwise unexplained pheimnienon. ;z\L r:sToxi^: ddisi southwest of the tctwn of Corozal. as seen an ontero|i of limestone, rlnse. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original New York Academy of Sciences. New York, : The Academy
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectscienti, bookyear1919
