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We present JHK surface photometry of 15 highly inclined, late-type (Sab-Sc)spirals and investigate the quantitative effects of dust extinction. Using the(J - H, H - K) two-color diagram, we compare the color changes along the minoraxis of each galaxy to the predictions from different models of radiativetransfer. Models in which scattering effects are significant and those withmore than a small fraction of the light sources located near the edge of thedust distribution do not produce enough extinction to explain the observedcolor gradients across disk absorption features. The optical depth in dust nearthe plane as deduced from the color excess depends sensitively on the adopteddust geometry, ranging from tau = 4 to 15 in the visual band. This suggeststhat a realistic model of the dust distribution is required, even for infraredphotometry, to correct for dust extinction in the bulges of nearly edge-onsystems.Comment: Accepted for publication in the March 1996 AJ. LaTex source which  generates 27 pages of text and tables (no figures). Complete (text + figs)  compressed Postscript preprint is also available at  ftp://bessel.mps.ohio-state.edu/pub/terndrup/inclined.ps.Z (854 Mbyte

Infrared Photometry and Dust Absorption in Highly Inclined Spiral Galaxies