Contents: Sotano de Huitzmolotitla! / T. R. Evans --
Dos Bocas-Cacahuamilpa Caves / T. R. Evans --
Hermit Cave / Pete Lindsley --
Unsuspected caverns / William R. Gray --
From the frigid zone --
Texas surpasses Russia! --
News of the Grottoes --
Cartoons wanted, please --
1963 convention, Mountain Lake, Virginia --
Membership list (Texas Speleological Association) --
T.S.A. Board of Governors meeting April 27 --
Late news.