AMCS Bulletin 4 Studies on the Cavernicole Fauna of Mexico Edited by James R. Reddell and Robert W. Mitchell 239 pages 1971 (PDF reprint 2005)

This collection of papers adds more than two hundred species to the known cave fauna of Mexico, including 103 newly described species, of which 18 are troglobites.
Available as a 160 MB facsimile PDF file on a CD along with Bulletins 3, 5, and 6.

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Table of Contents
1	Preface
3	On Some Earthworms from Mexican Caves, by G. E. Gates
9	New and Poorly Known Ptomaphagus from Mexican Caves (Coleoptera; Leiodidae, Catopinae), by S. B. Peck
13	Agastoschizomus lucifer, a New Genus and Species of Cavernicole Schizomid (Arachnida, Schizomida) from Mexico, by J. M. Rowland
19	Checklist of Bats in Caves in the Regions of the Sierra de Guatemala and Sierra de El Abra, Northeastern Mexico, by T. Mollhagen
23	Millipedes in the Collections of the Association for Mexican Cave Studies, by N. B. Causey
33	Opilionids (Phalangida) of the Family Phalangodidae from Mexican Caves, by C. J. Goodnight and M. L. Goodnight
47	A Report on Some Mexican Cave Spiders, by W. J. Gertsch
113	A New Species of Mexaphaenops from Tamalipas, México (Coleoptera: Carabidae), by T. C. Barr, Jr.
117	New Species of Schizomids (Arachnida, Schizomida) from Mexican Caves, by J. M. Rowland
127	Three New Species of Ricinuleids from Mexican Caves (Arachnida, Ricinulei), by W. J. Gertsch
137	A Checklist of the Cave Fauna of Mexico. I. Sierra de El Abra, Tamaulipas and San Luis Potosí, by J. R. Reddell and R. W. Mitchell
181	A Checklist of the Cave Fauna of Mexico. II. Sierra de Guatemala, Tamaulipas, by J. R. Reddell and R. W. Mitchell
217	A Checklist of the Cave Fauna of Mexico. III. New Records from Southern Mexico, by J. R. Reddell
231	A Bibliography of the Mexican Eyeless Characin Fishes of the Genus Astyanax, by S. Wiley and R. W. Mitchell