78 
RTLA 611. Croaker 
Material: Two consecutive caudal vertebrae 
Diagnosis: Multiple exostosis of the neural and haemal spines 
Submitter: M. Landolt 
RTLA 612. Walleye, Stizostedion vitreum vitreum 
Material: Part of the caudal fin with part of a tumor attached; 
four microscope slides; fourteen photographs 
Diagnosis: Cutaneous fibroma 
Submitter: D. Woronecki 
RTLA 613. White catfish, Ictalurus catus 
Material: One piece of tissue; four microscope slides; two 
photographs 
Diagnosis: Reticulum cell sarcoma 
Submitter: M. Landolt 
RTLA 614. African clawed toad, Xenopus laevis 
Material: One hind leg 
Diagnosis: Chondrification associated with hemorrhage and repair 
Submitter: G. E. Cosgrove 
RTLA 615. Earthworm, Lumbricus terrestris 
Material: Portions of two worms experimentally treated with 11 
ug Carbofuran; one with an enlarged area 
Diagnosis: Heavy nematode infection 
Submitter: A. P. Gilman 
RTLA 616. Earthworm, Lumbricus terrestris 
Material: One whole and two portions of worms experimentally 
treated with 5 ug of a Carbofuran metabolite, 3- 
hydroxycarbofuran showing blister-like lesions 
Diagnosis: Heavy nematode infection 
Submitter: A. P. Gilman 
RTLA 617o Earthworm, Lumbricus terrestris 
Material: One gross specimen experimentally treated with 57 ug of a 
Carbofuran metabolite, 3-hydroxycarbofuranphenol showing 
blister-like lesions 
Diagnosis: Heavy nematode infection 
Submitter: A. P. Gilman 
RTLA 618. Earthworm, Lumbricus terrestris 
Material: One gross specimen experimentally treated with ug Bux 
(a carbamate insecticide) showing collar-like protrusions 
Diagnosis: Heavy nematode infection 
Submitter: A. P. Gilman 
RTLA 619. Earthworm, Lumbricus terrestris 
Material: Whole and one portion of worm experimentally treated with 
17 ug Lannate (a carbamate insecticide) showing numerous 
blister-like lesions 
Diagnosis: Heavy nematode infection 
Submitter: A. P. Gilman 
