Peterson 1935. Erithizon epixanthum epixanthum July 7. Marys River, 5800 ft., 24 mi. N Deeth, Elko Co, Nevada. One shot by Mr. Russell amongst willow growth on immediate banks of Marys River. Skinned next day by me, salted + rolled up, unrolled + put into shade to dry next day. Parasitized by large tick according to Mr. Richardson. Ex- amined for endoparasites. Two tapeworms found in small intestine. Sample of intestinal contents preserved - suspected to contain a parasite visible to naked eye, nature of which entirely unknown at present writing. Smears of cereal contents + blood made. Mrs. Hyde said she had a pet porcupine during past year - we hope we didn't kill it. Said they make interesting pets, handled food like a monkey - smelling, dissecting, handling with paws while sitting on haunches. Good swimmer according to Mr. Richardson. July 20. ½ mi. W Debbs Creek, Pilot Peak, 8500 ft., (?) Elko Co, Nev. One porcupine shot by Mr. Russell on slope of Pilot Peak.