Two treefrogs with supernumerary limbs and two bullfrogs with one limb missing

Two treefrogs with supernumerary limbs and two bullfrogs with one limb missing Two treefrogs with supernumerary limbs and two bullfrogs with one limb missing

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Science Museum Group Collection
© The Board of Trustees of the Science Museum

Science Museum Group Collection
© The Board of Trustees of the Science Museum

Two treefrogs with supernumerary limbs and two bullfrogs with one limb missing, demonstrating the most common kinds of deformities observed in wild frogs in the USA in 1998.

Details

Category:
Biochemistry
Object Number:
2000-234
type:
frogs
credit:
Sessions, Stanley

Parts

Trematode cyst-infected Pacific Treefrog (Hyla regilla) preserved in plastic

Trematode cyst-infected Pacific Treefrog (Hyla regilla) preserved in plastic, with supernumerary limbs, from La Pine, Deschutes County, Oregon. Prepared by Hartwick College, Oneonta, New York, 1998-1999. This 'category I' deformity (polymelia) is believed to be caused by the trematode cyst infection. The cartilage is stained blue and calcified bones in red (see note).

Measurements:
overall: 70 mm x 65 mm x 25 mm, .14kg
Materials:
plastic (unidentified) and animal remains
Object Number:
2000-234 Pt1
type:
animal remains
Image ©
The Board of Trustees of the Science Museum
Subadult Bullfrog (Rana catesbeiana) with a missing hind limb

Subadult Bullfrog (Rana catesbeiana) with a missing hind limb

Subadult Bullfrog (Rana catesbeiana) with a missing hind limb, from Fort Edward, Washington County, New York, 1998-9. This 'category II' deformity is belived to be caused mainly by attempted predation. The cartilage is stained blue and calcified bones in red.

Object Number:
2000-234 Pt2
type:
frog
Image ©
The Board of Trustees of the Science Museum

Trematode cyst-infected Pacific Treefrog

Trematode cyst-infected subadult Pacific Treefrog (Hyla regilla) preserved in plastic, with supernumerary limbs, from La Pine, Deschutes County, Oregon. Prepared by Hartwick College, Oneonta, New York, 1998-1999. This 'category I' deformity (polymelia) is believed to be caused by the trematode cyst infection.

Measurements:
overall: 70 mm x 65 mm x 25 mm, .115kg
Materials:
plastic (unidentified) and animal remains
Object Number:
2000-234 Pt3
type:
animal remains
Image ©
The Board of Trustees of the Science Museum
Subadult Bullfrog (Rana catesbeiana) with a missing hind limb

Subadult Bullfrog (Rana catesbeiana) with a missing hind limb

Subadult Bullfrog (Rana catesbeiana) with a missing hind limb, from Fort Edward, Washington County, New York, 1998-9. This 'category II' deformity is belived to be caused mainly by attempted predation.

Object Number:
2000-234 Pt4
type:
frog
Image ©
The Board of Trustees of the Science Museum