TY - JOUR T1 - Arachnida from Costa Rica JF - Proceedings of the Academy of Natural Sciences of Philadelphia Y1 - 1909 A1 - Banks, Nathan SP - 194 EP - 234 VL - 61 UR - http://www.jstor.org/stable/4063280?origin=JSTOR-pdf ER - TY - JOUR T1 - Arachnida from Panama JF - Transactions of the Connecticut Academy of Arts and Sciences Y1 - 1925 A1 - Petrunkevitch, Alexander SP - 51 EP - 248 VL - 27 UR - http://www.mediafire.com/view/a04b365wc7wx5qu/Petrunkevitch1925TranConnSoc_Arachnida_Panama_PART_TO_REPLACE.pdf N1 - NOT YET AT BHL, ONLY UPTO VOL25 http://www.biodiversitylibrary.org/bibliography/7541 ER -