57 
RTLA 416. Ratfish, Hydrolagus colliei 
Material: Tissue from region of left pectoral fin with growth; 
2 slides 
Diagnosis: Myxosarcoma 
Submitter: J. S. Laurie 
RTLA 417. Flathead sole, Hippoglossoides elassodon 
Material: Gross specimen with growth on posterior part 
of dorsal fin 
Diagnosis: Papilloma; angioepithelial nodule 
Submitter: J. S. Laurie 
RTLA 418. Square-marked toad, Bufo regularis 
Material: Gross specimen with soft lump posterior to left eye 
Diagnosis: Granuloma containing very small gram positive rod¬ 
shaped bacteria 
Submitter: R. Crombie 
RTLA 419. Dwarf-clawed frog, Hymenochirus boettgeri 
Material: Twelve gross specimens with supernumerary legs 
Diagnosis: Developmental anomalies 
Submitter: R» Wenk 
RTLA 420. Dwarf-clawed frog, Hymenochirus boettgeri 
Material: Gross specimen with growth on lip 
Diagnosis: Inflammatory lesion containing acid-fast bacteria 
Submitter: R c Wenk 
RTLA 421. Quahog, Mercenaria mercenaria or Venus mercenaria 
Material: Two bottles of tissue 
Diagnosis: Normal tissue 
Submitter: A. C. Schmeer 
RTLA 422o Spot, Leiostomus xanthurus 
Material: Gross specimen with tumor at base of dorsal fin 
Diagnosis: Abnormal fat deposit possibly early lipoma 
Submitter: D 0 E. Ritchie 
RTLA 423. Chinook salmon, Oncorhynchus tshawytscha 
Material: Fish head with large firm dorsal growth and a small 
soft growth inside operculum 
Diagnosis: Large tumor -- fibrolipoma; small tumor -- parasitic 
lesion containing myxosporidia -- genus Henneguya 
Submitter: J. H. Wales 
RTLA 424. Tokay gecko, Gekko gecko 
Material: Head with raised area behind left eye 
Diagnosis: Granuloma in response to Actinomyces 
Submitter: B. L c Burge 
RTLA 425o English sole, Parophrys vetulus 
Material: Gross specimen with multiple small lesions near fins 
Diagnosis: Multiple granulomas adjacent to parasitic worms 
Submitter: J. S. Laurie 
