CONTENTS FOR OCTOBER 



Cover, Wlierc Hai-iiaclc-coAciTd Rocks stand out to Sea 



I'holuf-'raph l;ikiMi on llii' Massachusctls loasl by Mary ("ynlliia Dick(^rs()ii 



Frontispiece, A P'anious Paintini;' of a Shark Encounter 340 



Kriiiii |>^l(>l()^'raI)ll of Copley's picluro "'Walsoii and llic Shark" in the Eioston Museum of Fine Arts 



Sharks — Man-eaters and Others Hugh M. Smith 341 



Account of till" habits, haunts, and history of tlie more inlerestiiiK and important sharks of the world, 



with especial reference to their relations with mankind 



Illustrations from photographs, and from original paintings by Charles R. Knight 



A ("onnnunity of Sea Mussels Irving A. Field 356 



Story of its growth, mode of life, and vicissitudes. Such a community is one of the greatest organi- 

 zations in nature for making flesh food by a short and rapid process 



Reproductions in Duotone of Seacoast Photographs 367 



Showing some of the inhabitants of the beaches and shallow waters of the Massachusetts coast in the 



month of September 



From photographs by Mary Cynthia Dickerson 



The Laws of Species Forming David Starr Jordan 379 



Brief discussion of the importance of segregation as a factor in producing new species among animals 



The Loom in the New Workl M. D. C. Crawford 381 



Description of primitive types of loom used in North America southward to Peru, and comparison of 



these with ancient old-world and modern looms 



Illustrations from photographs of exhibits in the American Museum of Natural History 



Ancient Peruvian Cloths C. W. Mead 389 



Some account of the prehistoric textiles of the Peruvian desert and their value as inspiration for 



weavers and designers of today 



Illustrations from photographs of exhibits in the American Museum of Natural History 



I'ncle Sam's Birds T. Gilbert Pearson 395 



History of federal bird reservations in the United States; their development and accomplishment 

 Illustrations from photographs by National Association of Audubon Societies 



Hunting Dogs of the Ancients Charles R. Eastman 403 



Lineage of dogs of the chase as traced in ancient monuments 



IMuseum Notes 409 



Mary Cynthia Dickerson, Editor 



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